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/bounds.yaml

@@ -48,5 +48,5 @@ jobs:
       run: nix run .#${{ inputs.command }} -- --output=ga-pr --build-timeout=${{ inputs.timeout }} ${{ inputs.options }}
     - name: Create pull request
       if: steps.bounds.outputs.commit-message
-      uses: peter-evans/create-pull-request@v6
+      uses: peter-evans/create-pull-request@v7
       with: ${{ steps.bounds.outputs }}