Update peter-evans/create-pull-request action to v7 (#1279)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/bump-versions.yaml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
       - run: |
           mvn versions:set-property -DgenerateBackupPoms=false -Dproperty=revision -DnewVersion=${{ github.event.inputs.version }}
-      - uses: peter-evans/create-pull-request@v6
+      - uses: peter-evans/create-pull-request@v7
         with:
           author: ${{ github.actor }} <${{ github.actor }}>
           commit-message: Prepare next development iteration