Bump peter-evans/create-pull-request from 6.0.2 to 6.0.3 (#816)

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v6.0.2...v6.0.3)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/prepare-release.yml

@@ -79,7 +79,7 @@ jobs:
 
       - name: Create pull request
         id: pr
-        uses: peter-evans/[email protected].2
+        uses: peter-evans/[email protected].3
         with:
           token: ${{ steps.generate-token.outputs.app_token }}
           title: Prepare release v${{ steps.new-version.outputs.version }}