Add reasonable timeouts to all workflows (#7499)

Turns out the default timeout for github actions is 6 hours (!). This PR
sets some reasonable default for all workflows, the ones invoking cargo
in some way are limited to 60 minutes and the remaining ones to
10-15mins.

.github/workflows/preview_deploy.yml

@@ -20,6 +20,7 @@ concurrency:
 jobs:
   deploy:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4