Build: CI: Add timeout-minutes to test job, hopefully preventing spurious cancellations

Author: daanzu

.github/workflows/build.yml

@@ -591,6 +591,7 @@ jobs:
       - build-macos-arm
       - build-macos-intel
     if: ${{ always() && true }}  # Run even if some build jobs failed
+    timeout-minutes: 60  # For each job run of the matrix
     defaults:
       run:
         shell: bash