build: inline external Github Actions to unblock CI (#12241)

* build: inline cached-dependencies to unblock CI

* Run E2E on pull_request on;y

* Inline all external actions

* Checkout needed for internal actions

Also fixes pre-commit

* Add missing files

.github/actions/cached-dependencies/jest.config.js

@@ -0,0 +1,21 @@
+module.exports = {
+  clearMocks: true,
+  moduleFileExtensions: ['js', 'ts'],
+  testEnvironment: 'node',
+  testMatch: ['**/*.test.ts'],
+  transform: {
+    '^.+\\.ts$': 'ts-jest',
+  },
+  transformIgnorePatterns: [
+    '/node_modules/(?!@actions).+\\.js$',
+  ],
+  verbose: true,
+};
+
+// suppress debug messages
+const processStdoutWrite = process.stdout.write.bind(process.stdout);
+process.stdout.write = (str, encoding, cb) => {
+  processStdoutWrite(str.split('\n').filter(x => {
+    return !/^::debug::/.test(x);
+  }).join('\n'), encoding, cb);
+};