chore: add manifest command

Author: achingbrain

.github/workflows/main.yml

@@ -218,19 +218,14 @@ jobs:
     #   test-interop,
     #   transport-interop
     # ]
-    permissions:
-      id-token: write
-      contents: write
-      pull-requests: write
     steps:
       - uses: google-github-actions/release-please-action@v3
         id: release
         with:
+          command: manifest
           release-type: node
-          monorepo-tags: true
-          last-release-sha: a7eb258e0ef2147671acba73d9febc2f882a484a
-          group-pull-request-title-pattern: "chore: release ${component}"
-          tag-separator: '@'
+          manifest-file: .release-please-manifest.json
+          config-file: .release-please.json
           changelog-types: |
             [
               { "type": "feat", "section": "Features", "hidden": false },