Update peter-evans/create-pull-request action to v7

Author: renovate[bot]

.github/workflows/upgrade-tree-sitter.yml

@@ -36,7 +36,7 @@ jobs:
 
       - name: Create pull request
         if: steps.verify-changed-files.outputs.files_changed == 'true'
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v7
         with:
           add-paths: server
           title: Auto upgrade tree-sitter-bash parser