chore: bump peter-evans/create-pull-request from 6 to 7

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 6 to 7.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v6...v7)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/create-release-pull-request.yml

@@ -45,7 +45,7 @@ jobs:
           VERSION: "${{ github.event.inputs.release_version }}"
           INIT_IMG_TAG: "${{ github.event.inputs.init_container_version }}"
       - name: Create release pull request
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v7
         with:
           commit-message: "release: update manifest and helm charts for ${{ github.event.inputs.release_version }}"
           title: "release: update manifest and helm charts for ${{ github.event.inputs.release_version }}"