build(deps): bump peter-evans/create-pull-request from 7 to 8

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 7 to 8.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v7...v8)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/bump_bbs_protos.yml

@@ -70,7 +70,7 @@ jobs:
 
       - name: Create or Update Pull Request
         if: env.changes == 'true'
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           path: cloud_controller_ng
           branch: bbs-protos-bump-${{ github.ref_name }}

.github/workflows/bump_bundler_version.yml

@@ -48,7 +48,7 @@ jobs:
           fi
       - name: Create or Update Pull Request
         if: env.changes == 'true'
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           branch: bump-bundler-version-${{ github.ref_name }}
           title: "Automated Bump of Bundler Version in Gemfile.lock"