Add JRuby 9.2.15.0

README.md

@@ -15,7 +15,7 @@ This action currently supports these versions of MRI, JRuby and TruffleRuby:
 | Interpreter | Versions |
 | ----------- | -------- |
 | `ruby` | 2.1.9, 2.2, 2.3.0 - 2.3.8, 2.4.0 - 2.4.10, 2.5.0 - 2.5.8, 2.6.0 - 2.6.6, 2.7.2, 3.0.0, head, debug, mingw, mswin |
-| `jruby` | 9.1.17.0, 9.2.9.0 - 9.2.13.0, head |
+| `jruby` | 9.1.17.0, 9.2.9.0 - 9.2.15.0, head |
 | `truffleruby` | 19.3.0 - 21.0.0, head |
 
 `ruby-debug` is the same as `ruby-head` but with assertions enabled (`-DRUBY_DEBUG=1`).  
@@ -166,8 +166,9 @@ as shown in the [example](#matrix-of-gemfiles).
 
 When using `bundler-cache: true` you might notice there is no good place to run `bundle config ...` commands.
 These can be replaced by `BUNDLE_*` environment variables, which are also faster.
-They should be set the `env` at the job level as shown in the [example](#matrix-of-gemfiles).
-See the [Bundler docs](https://bundler.io/man/bundle-config.1.html) or look at `.bundle/config` locally for the environment variable names,
+They should be set in the `env` at the job level as shown in the [example](#matrix-of-gemfiles).
+To find the correct the environment variable name, see the [Bundler docs](https://bundler.io/man/bundle-config.1.html) or look at `.bundle/config` after running `bundle config --local KEY VALUE` locally.
+You might need to `"`-quote the environment variable name in YAML if it has unusual characters like `/`.
 
 To perform caching, this action will use `bundle config --local path $PWD/vendor/bundle`.  
 Therefore, the Bundler `path` should not be changed in your workflow for the cache to work (no `bundle config path`).

dist/index.js

@@ -45354,7 +45354,7 @@ function getVersions(platform) {
     ],
     "jruby": [
       "9.1.17.0",
-      "9.2.9.0", "9.2.10.0", "9.2.11.0", "9.2.11.1", "9.2.12.0", "9.2.13.0", "9.2.14.0",
+      "9.2.9.0", "9.2.10.0", "9.2.11.0", "9.2.11.1", "9.2.12.0", "9.2.13.0", "9.2.14.0", "9.2.15.0",
       "head"
     ],
     "truffleruby": [

ruby-builder-versions.js

@@ -13,7 +13,7 @@ export function getVersions(platform) {
     ],
     "jruby": [
       "9.1.17.0",
-      "9.2.9.0", "9.2.10.0", "9.2.11.0", "9.2.11.1", "9.2.12.0", "9.2.13.0", "9.2.14.0",
+      "9.2.9.0", "9.2.10.0", "9.2.11.0", "9.2.11.1", "9.2.12.0", "9.2.13.0", "9.2.14.0", "9.2.15.0",
       "head"
     ],
     "truffleruby": [