fix: stash local changes before branch checkout to prevent overwrite error

Author: Timna Brown

.github/workflows/use-visitor-counter.yml

@@ -63,7 +63,9 @@ jobs:
           TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           git fetch origin
+          git stash --include-untracked
           git checkout -b ${{ github.event.pull_request.head.ref }} origin/${{ github.event.pull_request.head.ref }}
+          git stash pop
           git add "*.md" metrics.json
           git commit -m "Update visitor count" || echo "No changes to commit"
           git remote set-url origin https://x-access-token:${TOKEN}@github.com/${{ github.repository }}
@@ -76,7 +78,9 @@ jobs:
           TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           git fetch origin
+          git stash --include-untracked
           git checkout ${{ github.event.pull_request.head.ref }} || git checkout -b ${{ github.event.pull_request.head.ref }} origin/${{ github.event.pull_request.head.ref }}
+          git stash pop
           git add "*.md" metrics.json
           git commit -m "Update visitor count" || echo "No changes to commit"
           git remote set-url origin https://x-access-token:${TOKEN}@github.com/${{ github.repository }}