Revert to pin release workflows (#309)

Author: sethvargo

.github/workflows/draft-release.yml

@@ -16,7 +16,7 @@ on:
 jobs:
   draft-release:
     # TODO(sethvargo): revert to a tag when ready
-    uses: 'google-github-actions/.github/.github/workflows/draft-release.yml@main' # ratchet:exclude
+    uses: 'google-github-actions/.github/.github/workflows/draft-release.yml@v3' # ratchet:exclude
     with:
       version_strategy: '${{ github.event.inputs.version_strategy }}'
     secrets:

.github/workflows/release.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   release:
     # TODO(sethvargo): revert to a tag when ready
-    uses: 'google-github-actions/.github/.github/workflows/release.yml@main' # ratchet:exclude
+    uses: 'google-github-actions/.github/.github/workflows/release.yml@v3' # ratchet:exclude
     secrets:
       ACTIONS_BOT_TOKEN: '${{ secrets.ACTIONS_BOT_TOKEN }}'