bump create-pull-request to v4

Author: frantuma

.github/workflows/prepare-release.yml

@@ -49,7 +49,7 @@ jobs:
         echo "SC_VERSION=$SC_VERSION" >> $GITHUB_ENV
         echo "SC_NEXT_VERSION=$SC_NEXT_VERSION" >> $GITHUB_ENV
     - name: Create Prepare Release Pull Request
-      uses: peter-evans/create-pull-request@v2
+      uses: peter-evans/create-pull-request@v4
       if: env.PREPARE_RELEASE_OK == 'yes'
       with:
         token: ${{ steps.generate-token.outputs.token }}