CI: Set reasonable timeouts

.github/workflows/buildci.yml

@@ -11,6 +11,7 @@ on:
 jobs:
   build:
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 10
 
     strategy:
       # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
@@ -56,6 +57,7 @@ jobs:
 
   format:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
 
     steps:
       - uses: actions/checkout@v4