fix: transform private methods for Node 12

Author: aminya

dist/actions/setup-cpp.js

@@ -29,7 +29,8 @@
   "scripts": {
     "build": "run-s clean build.packages && run-p lint.tsc build.parcel copy.matchers",
     "build.packages": "pnpm run -r build",
-    "build.parcel": "cross-env NODE_ENV=production parcel build --detailed-report 10 && babel ./dist --out-dir dist --plugins @upleveled/babel-plugin-remove-node-prefix --compact --no-babelrc --source-maps true",
+    "build.parcel": "cross-env NODE_ENV=production parcel build --detailed-report 10 && run-s build.babel",
+    "build.babel": "babel ./dist --out-dir dist --plugins @upleveled/babel-plugin-remove-node-prefix --plugins @babel/plugin-transform-private-methods --compact --no-babelrc --source-maps true",
     "bump": "ncu -u -x numerous,execa,prettier,@types/node,eslint,@types/eslint && pnpm update && pnpx typesync",
     "clean": "shx rm -rf ./dist ./exe ./packages/*/dist/ ./.parcel-cache && shx mkdir -p ./dist/legacy ./dist/actions ./dist/modern ",
     "copy.matchers": "run-p copy.matchers.legacy copy.matchers.actions copy.matchers.modern",
@@ -60,6 +61,7 @@
     "@actions/io": "^1.1.3",
     "@actions/tool-cache": "^2.0.1",
     "@babel/cli": "^7.24.8",
+    "@babel/plugin-transform-private-methods": "^7.24.7",
     "@biomejs/biome": "^1.8.3",
     "@shockpkg/archive-files": "github:aminya/archive-files#54ec59fad46aca736ac6feb6c7bb526528141b9d",
     "@swc/jest": "^0.2.36",