Fixes the latest rubygems installation error with Ruby 3.0

If set up `rubygems: latest` in workflow,
it will cause the error with Ruby 3.0 because the latest rubygems does not support Ruby 3.0.

Ref. https://rubygems.org/gems/rubygems-update

### Error message
```
Updating RubyGems
  /opt/hostedtoolcache/Ruby/3.0.7/x64/bin/gem --version
  3.2.33
  Default RubyGems version is 3.2.33
  Updating RubyGems to latest version
  /opt/hostedtoolcache/Ruby/3.0.7/x64/bin/gem update --system
  ERROR:  Error installing rubygems-update:
  	rubygems-update-3.6.1 requires Ruby version >= 3.1.0. The current ruby version is 3.0.7.220.
  ERROR:  While executing gem ... (NoMethodError)
      undefined method `version' for nil:NilClass
  Updating rubygems-update
  Took   2.86 seconds
Error: The process '/opt/hostedtoolcache/Ruby/3.0.7/x64/bin/gem' failed with exit code 1
```

### How to reproduce
```
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: "3.0"
          rubygems: latest
```

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-20.04, ubuntu-22.04, ubuntu-24.04, macos-12, macos-13, macos-14, macos-15, windows-2019, windows-2022 ]
+        os: [ ubuntu-20.04, ubuntu-22.04, ubuntu-24.04, macos-13, macos-14, macos-15, windows-2019, windows-2022 ]
         ruby: [
           '1.9', '2.0', '2.1', '2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', ruby-head,
           jruby, jruby-head,
@@ -190,8 +190,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - { ruby: '3.2', expected_rubygems_version: '3.5.3'  }
+        - { ruby: '3.2', expected_rubygems_version: '3.6.1'  }
-        - { ruby: '3.0', expected_rubygems_version: '3.5.3'  }
+        - { ruby: '3.0', expected_rubygems_version: '3.5.23' }
         - { ruby: '2.7', expected_rubygems_version: '3.4.22' }
         - { ruby: '2.6', expected_rubygems_version: '3.4.22' }
         - { ruby: '2.5', expected_rubygems_version: '3.3.27' }

README.md

@@ -15,7 +15,7 @@ This action currently supports these versions of MRI, JRuby and TruffleRuby:
 
 | Interpreter | Versions |
 | ----------- | -------- |
-| `ruby` | 1.9.3, 2.0.0, 2.1.9, 2.2, all versions from 2.3.0 until 3.4.0-preview2, head, debug, mingw, mswin, ucrt |
+| `ruby` | 1.9.3, 2.0.0, 2.1.9, 2.2, all versions from 2.3.0 until 3.4.0-rc1, head, debug, mingw, mswin, ucrt |
 | `jruby` | 9.1.17.0 - 9.4.9.0, head |
 | `truffleruby` | 19.3.0 - 24.1.1, head |
 | `truffleruby+graalvm` | 21.2.0 - 24.1.1, head |
@@ -47,7 +47,7 @@ The action works on these [GitHub-hosted runners](https://docs.github.com/en/act
 | Operating System | Supported |
 | ---------------- | --------- |
 | Ubuntu  | `ubuntu-20.04`, `ubuntu-22.04`, `ubuntu-24.04` |
-| macOS   | `macos-12`, `macos-13`, `macos-14` |
+| macOS   | `macos-13` and newer versions |
 | Windows | `windows-2019`, `windows-2022` |
 
 The prebuilt releases are generated by [ruby-builder](https://github.com/ruby/ruby-builder)

common.js

@@ -179,7 +179,7 @@ function isSupportedPlatform() {
     case 'macos':
       // See https://github.com/ruby/ruby-builder/blob/master/README.md#naming
       // 13 on arm64 because of old macos-arm-oss runners
-      return (os.arch() === 'x64' && parseInt(getOSVersion()) >= 12) ||
+      return (os.arch() === 'x64' && parseInt(getOSVersion()) >= 13) ||
           (os.arch() === 'arm64' && parseInt(getOSVersion()) >= 13)
     case 'windows':
       return GitHubHostedPlatforms.includes(getOSNameVersionArch())

index.js

@@ -173,7 +173,7 @@ function validateRubyEngineAndVersion(platform, engineVersions, engine, parsedVe
   // Well known version-platform combinations which do not work:
   if (engine === 'ruby' && platform.startsWith('macos') && os.arch() === 'arm64' && common.floatVersion(version) < 2.6) {
     throw new Error(`CRuby < 2.6 does not support macos-arm64.
-        Either use a newer Ruby version or use a macOS image running on amd64, e.g., macos-13 or macos-12.
+        Either use a newer Ruby version or use a macOS image running on amd64, e.g., macos-13.
         Note that GitHub changed the meaning of macos-latest from macos-12 (amd64) to macos-14 (arm64):
         https://github.blog/changelog/2024-04-01-macos-14-sonoma-is-generally-available-and-the-latest-macos-runner-image/
 

ruby-builder-versions.json

@@ -13,7 +13,7 @@
     "3.1.0-preview1", "3.1.0", "3.1.1", "3.1.2", "3.1.3", "3.1.4", "3.1.5", "3.1.6",
     "3.2.0-preview1", "3.2.0-preview2", "3.2.0-preview3", "3.2.0-rc1", "3.2.0", "3.2.1", "3.2.2", "3.2.3", "3.2.4", "3.2.5", "3.2.6",
     "3.3.0-preview1", "3.3.0-preview2", "3.3.0-preview3", "3.3.0-rc1", "3.3.0", "3.3.1", "3.3.2", "3.3.3", "3.3.4", "3.3.5", "3.3.6",
-    "3.4.0-preview1", "3.4.0-preview2",
+    "3.4.0-preview1", "3.4.0-preview2", "3.4.0-rc1",
     "head", "debug", "asan"
   ],
   "jruby": [

ruby-builder.js

@@ -54,12 +54,6 @@ export async function install(platform, engine, version) {
     await downloadAndExtract(platform, engine, version, rubyPrefix)
   }
 
-  // https://github.com/oracle/truffleruby/issues/3390
-  if (engine.startsWith('truffleruby') && common.floatVersion(version) >= 24.0 && !common.isSelfHostedRunner() && common.getOSNameVersionArch() === 'macos-12-x64') {
-    console.log('Setting MACOSX_DEPLOYMENT_TARGET=11.0 to workaround bug in XCode 14.2 linker not respecting RTLD_LAZY, see https://github.com/oracle/truffleruby/issues/3390')
-    core.exportVariable('MACOSX_DEPLOYMENT_TARGET', '11.0')
-  }
-
   return rubyPrefix
 }
 

rubygems.js

@@ -39,8 +39,10 @@ async function rubygemsLatest(gem, platform, engine, rubyVersion) {
     const floatVersion = common.floatVersion(rubyVersion)
     if (common.isHeadVersion(rubyVersion)) {
       console.log('Ruby master builds use included RubyGems')
-    } else if (floatVersion >= 3.0) {
+    } else if (floatVersion >= 3.1) {
       await exec.exec(gem, ['update', '--system'])
+    } else if (floatVersion >= 3.0) {
+      await exec.exec(gem, ['update', '--system', '3.5.23'])
     } else if (floatVersion >= 2.6) {
       await exec.exec(gem, ['update', '--system', '3.4.22'])
     } else if (floatVersion >= 2.3) {

windows-versions.json

@@ -70,6 +70,7 @@
   "3.3.3": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.3.3-1/rubyinstaller-3.3.3-1-x64.7z",
   "3.3.4": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.3.4-1/rubyinstaller-3.3.4-1-x64.7z",
   "3.3.5": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.3.5-1/rubyinstaller-3.3.5-1-x64.7z",
+  "3.3.6": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.3.6-2/rubyinstaller-3.3.6-2-x64.7z",
   "head": "https://github.com/oneclick/rubyinstaller2/releases/download/rubyinstaller-head/rubyinstaller-head-x64.7z",
   "mingw": "https://github.com/MSP-Greg/ruby-loco/releases/download/ruby-master/ruby-mingw.7z",
   "mswin": "https://github.com/MSP-Greg/ruby-loco/releases/download/ruby-master/ruby-mswin.7z",