Bump action-create-branch action (#6316)

The old action uses a deprecated version of node. This new, pinned,
version matches the 2.4.0 version.

For reference on the release, see their release notes @
https://github.com/peterjgrainger/action-create-branch/releases/tag/v2.4.0

Author: rlazo

.github/workflows/create_releases.yml

@@ -19,7 +19,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Create base branch
-        uses: peterjgrainger/action-create-branch@c2800a3a9edbba2218da6861fa46496cf8f3195a
+        uses: peterjgrainger/action-create-branch@08259812c8ebdbf1973747f9297e332fa078d3c1
         with:
           branch: 'releases/${{ inputs.name }}'