Bump peter-evans/create-pull-request from 5 to 7

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 5 to 7.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v5...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] <support@github.com>

Author: dependabot[bot]

.github/workflows/update-rpi-rgb-led-matrix.yml

@@ -25,7 +25,7 @@ jobs:
           echo "SUBMODULE_SHA=$(git rev-parse HEAD | cut -c 1-6)" >> $GITHUB_ENV
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v7
         with:
           add-paths: |
             rpi-led-matrix-sys/cpp-library