Bump peter-evans/create-pull-request from 4 to 7

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 4 to 7.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v4...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]>

Author: dependabot[bot]

.github/workflows/update-default.yml

@@ -30,7 +30,7 @@ jobs:
 
       - name: Create Pull Request
         if: steps.update_default.outputs.changed == 'true'
-        uses: peter-evans/create-pull-request@v4
+        uses: peter-evans/create-pull-request@v7
         with:
           title: "deps: Update sbt to ${{ steps.update_default.outputs.sbt_version }}"
           branch: "update-default-sbt-${{ steps.update_default.outputs.sbt_version }}"