Give a better error for TruffleRuby 34+ on macOS Intel

dist/index.js

@@ -92683,6 +92683,8 @@ function validateRubyEngineAndVersion(platform, engineVersions, engine, parsedVe
         But of course you should consider dropping support for these long-EOL Rubies, which cannot even be built on recent macOS machines.`)
   } else if (engine === 'truffleruby' && platform.startsWith('windows')) {
     throw new Error('TruffleRuby does not currently support Windows.')
+  } else if (engine === 'truffleruby' && platform.startsWith('macos') && os.arch() === 'x64' && common.floatVersion(version) >= 34.0) {
+    throw new Error('TruffleRuby 34+ no longer supports macOS Intel, please exclude that combination from CI.')
   }
 
   return version

index.js

@@ -196,6 +196,8 @@ function validateRubyEngineAndVersion(platform, engineVersions, engine, parsedVe
         But of course you should consider dropping support for these long-EOL Rubies, which cannot even be built on recent macOS machines.`)
   } else if (engine === 'truffleruby' && platform.startsWith('windows')) {
     throw new Error('TruffleRuby does not currently support Windows.')
+  } else if (engine === 'truffleruby' && platform.startsWith('macos') && os.arch() === 'x64' && common.floatVersion(version) >= 34.0) {
+    throw new Error('TruffleRuby 34+ no longer supports macOS Intel, please exclude that combination from CI.')
   }
 
   return version