CI: use shallow clone with backport action (#104750)

use shallow clone with backport action

.github/workflows/backport.yml

@@ -18,6 +18,8 @@ jobs:
         uses: actions/checkout@v4 # 4.2.2
         with:
           persist-credentials: false
+          fetch-depth: 1
+          fetch-tags: false
       - run: git config --local user.name "github-actions[bot]"
       - run: git config --local user.email "github-actions[bot]@users.noreply.github.com"
       - run: git config --local --add --bool push.autoSetupRemote true