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/file-changes-action/jest.config.js

@@ -0,0 +1,29 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: "node",
+  testRunner: 'jest-circus/runner',
+  testMatch: ['**/*.test.ts'],
+  testPathIgnorePatterns: ['/src/tests/integration.test.ts'],
+  clearMocks: true,
+  collectCoverage: false,
+  coverageThreshold: {
+    global: {
+      branches: 50,
+      functions: 70,
+      lines: 75,
+      statements: 75
+    },
+    './src/*.ts': {
+      branches: 70,
+      functions: 85,
+      lines: 85,
+      statements: 85
+    },
+    './src/tests/**/*.ts': {
+      branches: 50,
+      functions: 60,
+      lines: 65,
+      statements: 65
+    }
+  }
+}