Bump peter-evans/create-pull-request from 6.1.0 to 7.0.0

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 6.1.0 to 7.0.0.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@c5a7806...4320041)

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

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

.github/workflows/sync-chart.yml

@@ -104,7 +104,7 @@ jobs:
         if: ${{ inputs.dry_run }}
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c # v6.1.0
+        uses: peter-evans/create-pull-request@4320041ed380b20e97d388d56a7fb4f9b8c20e79 # v7.0.0
         with:
           token: ${{ secrets.NGINX_PAT }}
           commit-message: Update NGINX Ingress Controller to ${{ steps.sync.outputs.new_nic_version }}