Fix typo

Author: huydhn

.github/actions/calculate-docker-image/action.yml

@@ -122,7 +122,7 @@ runs:
         shell: bash
         timeout_minutes: 90
         max_attempts: 3
-        # NB: Wait for half an hour before retrying, this is used as a pooling mechanism to wait
+        # NB: Wait for half an hour before retrying, this is used as a polling mechanism to wait
         # for the docker build workflow to finish
         retry_wait_seconds: 1800
         command: |