chore: update Yarn to 4.2.2 and remove yarn-*.cjs from the repo (#24930)

- Update Yarn to the latest version: 4.2.2
- Remove the `yarn-*.cjs` files from repo
- Now using `corepack enable` in CircleCI

.github/workflows/check-pr-labels.yml

@@ -1,4 +1,4 @@
-name: "Check PR has required labels"
+name: 'Check PR has required labels'
 on:
   pull_request:
     branches:
@@ -20,7 +20,9 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
-            fetch-depth: 1 # This retrieves only the latest commit.
+          fetch-depth: 1 # This retrieves only the latest commit.
+
+      - run: corepack enable
 
       - name: Set up Node.js
         uses: actions/setup-node@v4

.github/workflows/fitness-functions.yml

@@ -14,6 +14,8 @@ jobs:
         with:
           fetch-depth: 0
 
+      - run: corepack enable
+
       - name: Use Node.js
         uses: actions/setup-node@v4
         with:

.gitignore

@@ -59,7 +59,6 @@ test-results/
 .yarn/*
 !.yarn/patches
 !.yarn/plugins
-!.yarn/releases
 !.yarn/sdks
 !.yarn/versions
 

.yarnrc.yml

@@ -138,5 +138,3 @@ plugins:
     spec: 'https://raw.githubusercontent.com/LavaMoat/LavaMoat/main/packages/yarn-plugin-allow-scripts/bundles/@yarnpkg/plugin-allow-scripts.js'
   - path: .yarn/plugins/@yarnpkg/plugin-engines.cjs
     spec: 'https://raw.githubusercontent.com/devoto13/yarn-plugin-engines/main/bundles/%40yarnpkg/plugin-engines.js'
-
-yarnPath: .yarn/releases/yarn-4.0.2.cjs

lavamoat/build-system/policy.json

@@ -9175,6 +9175,7 @@
         "crypto": true,
         "fs": true,
         "inspector": true,
+        "module.findPnpApi": true,
         "os.EOL": true,
         "os.platform": true,
         "path.dirname": true,

package.json

@@ -702,5 +702,5 @@
       "firebase>@firebase/firestore>@grpc/proto-loader>protobufjs": false
     }
   },
-  "packageManager": "yarn@4.0.2"
+  "packageManager": "yarn@4.2.2"
 }