Add 15s sleep to allow tagging to complete

Author: victorhuangwq

.github/workflows/regexLabeler.yml

@@ -17,6 +17,9 @@ jobs:
         enable-versioned-regex: 0
         include-title: 1
         repo-token: ${{ github.token }}
+    - name: Sleep for 15 seconds
+      run: sleep 15s
+      shell: bash
     - uses: wow-actions/auto-assign@v3
       with:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}