Upgrade Yarn to 4.10.0 and harden install-script / supply-chain config

.yarnrc.yml

@@ -1,10 +1,34 @@
-nodeLinker: node-modules
+compressionLevel: mixed
+
+enableGlobalCache: false
+
+enableScripts: false
+
 nmHoistingLimits: workspaces
 
-plugins:
-  - path: .yarn/plugins/@yarnpkg/plugin-interactive-tools.cjs
-    spec: '@yarnpkg/plugin-interactive-tools'
-  - path: .yarn/plugins/@yarnpkg/plugin-workspace-tools.cjs
-    spec: '@yarnpkg/plugin-workspace-tools'
+nodeLinker: node-modules
+
+npmMinimalAgeGate: '7d'
+
+npmPreapprovedPackages:
+  - '@intercom/*'
+
+npmRegistryServer: 'https://socket-firewall-registry.corporate.intercom.io/npm'
+
+npmRegistries:
+  'https://socket-firewall-registry.corporate.intercom.io/npm':
+    npmAuthToken: '${SOCKET_FIREWALL_NPM_TOKEN}'
+    npmAlwaysAuth: true
+
+supportedArchitectures:
+  cpu:
+    - arm64
+    - x64
+    - darwin-x64
+  os:
+    - current
+    - darwin
+    - linux
+    - win32
 
-yarnPath: .yarn/releases/yarn-3.6.1.cjs
+yarnPath: .yarn/releases/yarn-4.10.0.cjs

examples/example/package.json

@@ -38,7 +38,21 @@
   },
   "engines": {
     "node": ">=18",
-    "yarn": ">=3"
+    "yarn": ">=4"
   },
-  "packageManager": "yarn@3.6.4"
+  "packageManager": "yarn@4.10.0",
+  "dependenciesMeta": {
+    "chromedriver": {
+      "built": true
+    },
+    "edgedriver": {
+      "built": true
+    },
+    "esbuild": {
+      "built": true
+    },
+    "geckodriver": {
+      "built": true
+    }
+  }
 }

package.json

@@ -178,7 +178,7 @@
       ]
     ]
   },
-  "packageManager": "yarn@3.6.1",
+  "packageManager": "yarn@4.10.0",
   "resolutions": {
     "qs@npm:6.13.0": "6.15.2",
     "serialize-javascript@npm:^6.0.2": "7.0.5",