refactor(ng-dev): Add managed labels for proper remapping

This adds core and compiler to the managed labels list. We have scopes for both that need to be remapped to the singular area label. So this fixes the auto labeling for those.

Author: thePunderWoman

ng-dev/pr/common/labels/managed.ts

@@ -27,6 +27,16 @@ export const managedLabels = createTypedObject<ManagedLabel>()({
     name: 'area: docs',
     commitCheck: (c: Commit) => c.type === 'docs',
   },
+  DETECTED_COMPILER_CHANGE: {
+    description: 'Issues related to \`ngc\`, Angular\'s template compiler',
+    name: 'area: compiler',
+    commitCheck: (c: Commit) => c.type === 'compiler' || c.type === 'compiler-cli',
+  },
+  DETECTED_PLATFORM_BROWSER_CHANGE: {
+    description: 'Issues related to the framework runtime',
+    name: 'area: core',
+    commitCheck: (c: Commit) => c.type === 'platform-browser' || c.type === 'core',
+  },
   DETECTED_INFRA_CHANGE: {
     description: 'Related the build and CI infrastructure of the project',
     name: 'area: build & ci',