docs(dev-infra): update triage and contributing docs for dev-infra (#35995)

PR Close #35995

CONTRIBUTING.md

@@ -206,6 +206,8 @@ The scope should be the name of the npm package affected (as perceived by the pe
 The following is the list of supported scopes:
 
 * **animations**
+* **bazel**
+* **benchpress**
 * **common**
 * **compiler**
 * **compiler-cli**
@@ -214,6 +216,7 @@ The following is the list of supported scopes:
 * **forms**
 * **http**
 * **language-service**
+* **localize**
 * **platform-browser**
 * **platform-browser-dynamic**
 * **platform-server**
@@ -232,6 +235,7 @@ There are currently a few exceptions to the "use package name" rule:
 * **changelog**: used for updating the release notes in CHANGELOG.md
 * **docs-infra**: used for docs-app (angular.io) related changes within the /aio directory of the
   repo
+* **dev-infra**: used for dev-infra related changes within the directories /scripts, /tools and /dev-infra
 * **ngcc**: used for changes to the [Angular Compatibility Compiler](./packages/compiler-cli/ngcc/README.md)
 * **ve**: used for changes specific to ViewEngine (legacy compiler/renderer).
 * none/empty string: useful for `style`, `test` and `refactor` changes that are done across all

docs/TRIAGE_AND_LABELS.md

@@ -42,6 +42,7 @@ They don't have a clear location in the source tree.
 We will treat them as a component even thought no specific source tree is associated with them.
 
 * `comp: build & ci` - build and CI infrastructure for the angular/angular repo
+* `comp: dev-infra` - angular's common internal developer infrastructure scripting and tooling
 * `comp: docs` - documentation, including API docs, guides, tutorial
 * `comp: packaging` - packaging format of @angular/* npm packages
 * `comp: performance`