[CI] Add timeout and retry to linkcheck

.github/workflows/link_check.yml

@@ -64,8 +64,21 @@ jobs:
           python -m pip install --user -e python
 
       - name: Link Check
+        env:
+          MAX_RETRY: 3
         run: |
-          cd docs/python_docs/python
-          make clean
-          make linkcheck EVAL=0
-        shell: bash
+          for run in {1..$MAX_RETRY}
+          do
+            cd docs/python_docs/python
+            make clean
+            timeout 10m make linkcheck EVAL=0
+            if [[ $? -eq 0 ]]
+            then
+              break
+            else
+              if [[ run -eq $MAX_RETRY ]]
+              then
+                exit 1
+              fi
+            fi
+          done