ci: Increase wait-for-completion timeout to 30 minutes for staging refresh db step

Increased the wait-for-completion timeout from 10 minutes to 30 minutes in the build workflow.

Author: NGPixel

.github/workflows/build.yml

@@ -454,7 +454,7 @@ jobs:
           token: ${{ secrets.GH_INFRA_K8S_TOKEN }}
           inputs: '{ "environment":"${{ secrets.GHA_K8S_CLUSTER }}", "app":"datatracker", "manifest":"postgres", "forceRecreate":true, "waitClusterReady":true }'
           wait-for-completion: true
-          wait-for-completion-timeout: 10m
+          wait-for-completion-timeout: 30m
           wait-for-completion-interval: 20s
           display-workflow-run-url: false