Fix issues identified by Julia Package Butler

Author: Julia Package Butler

.github/workflows/jlpkgbutler-codeformat-pr-workflow.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/julia-codeformat@releases/v1
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v2
+        uses: peter-evans/create-pull-request@v3
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: Format files using DocumentFormat