Use versions instead of commits in vertexai responses actions scripts

[hsubox76]

I think it should be safe to pin these third party Github actions to versions instead of commit hashes. Pinning it to a commit hash results in a lot of renovate PRs every time there's a new commit to that action.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 09776bf

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[google-oss-bot]

Size Report ¹

Affected Products

No changes between base commit (0755a72) and merge commit (323fed0).

Test Logs

• Base (0755a72): https://github.com/firebase/firebase-js-sdk/actions/runs/12717073983
• Merge (323fed0): https://github.com/firebase/firebase-js-sdk/actions/runs/12775667835

1. https://storage.googleapis.com/firebase-sdk-metric-reports/zh9kymAb47.html

[DellaBitta]

All for it.

Looks like delete-comment doesn't have a v1 though. :(

[google-oss-bot]

Size Analysis Report ¹

Affected Products

No changes between base commit (0755a72) and merge commit (323fed0).

Test Logs

• Base (0755a72): https://github.com/firebase/firebase-js-sdk/actions/runs/12717073983
• Merge (323fed0): https://github.com/firebase/firebase-js-sdk/actions/runs/12775667835

1. https://storage.googleapis.com/firebase-sdk-metric-reports/pCPV6VX1EJ.html