chore(deps): update peter-evans/create-pull-request action to v7

Author: renovate[bot]

.github/workflows/depup.yml

@@ -18,7 +18,7 @@ jobs:
           repo: haya14busa/bump
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v7
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           title: "chore(deps): update bump to ${{ steps.depup.outputs.latest }}"