Bump peter-evans/create-pull-request from 5 to 6

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 5 to 6.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v5...v6)

---
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/updater.yml

@@ -54,7 +54,7 @@ jobs:
         fi
 
     - name: Create PR
-      uses: peter-evans/create-pull-request@v5
+      uses: peter-evans/create-pull-request@v6
       with:
         branch: "opensearch-exporter/bump-${{ steps.update.outputs.version }}"
         title: "Bump to opensearch-${{ steps.update.outputs.version }} with prometheus-exporter-plugin-for-opensearch-${{ steps.update.outputs.pluginversion }}"