chore: give v8 snapshot action access to make pull requests (#32626)

* chore: give v8 snapshot action access to make pull requests

* index on v8-action-permissions-update: 9b701df chore: give v8 snapshot action access to make pull requests

* index on v8-action-permissions-update: 9b701df chore: give v8 snapshot action access to make pull requests

* index on v8-action-permissions-update: 9b701df chore: give v8 snapshot action access to make pull requests

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Co-authored-by: cypress-bot[bot] <+cypress-bot[bot]@users.noreply.github.com>

Author: jennifer-shehane

.github/workflows/update_v8_snapshot_cache.yml

@@ -50,6 +50,8 @@ jobs:
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     if: github.repository == 'cypress-io/cypress'
+    permissions:
+      pull-requests: write
     env:
       CYPRESS_BOT_APP_ID: ${{ secrets.RAM_APP }}
       BASE_BRANCH: ${{ inputs.branch || github.ref_name }}