build: Add some timeouts to integration test workflow

Add top-level timeout for the jobs and also more agressive per step
timeouts.

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>

.github/workflows/integration-arm64.yaml

@@ -3,6 +3,7 @@ on: [pull_request, create]
 
 jobs:
   build:
+    timeout-minutes: 60
     if: github.event_name == 'pull_request'
     name: Tests (ARM64)
     runs-on: focal-arm64
@@ -16,4 +17,5 @@ jobs:
       - name: Load openvswitch module
         run: sudo modprobe openvswitch
       - name: Run integration tests (musl)
+        timeout-minutes: 30
         run: scripts/dev_cli.sh tests --integration --libc musl

.github/workflows/integration-x86-64.yaml

@@ -3,6 +3,7 @@ on: [pull_request, create]
 
 jobs:
   build:
+    timeout-minutes: 60
     strategy:
       fail-fast: false
       matrix:
@@ -28,10 +29,12 @@ jobs:
       - name: Prepare for VDPA
         run: scripts/prepare_vdpa.sh
       - name: Run unit tests
-        run: scripts/dev_cli.sh tests --unit
+        run: scripts/dev_cli.sh tests --unit --libc ${{ matrix.libc }}
       - name: Load openvswitch module
         run: sudo modprobe openvswitch
       - name: Run integration tests
+        timeout-minutes: 40
         run: scripts/dev_cli.sh tests --integration --libc ${{ matrix.libc }}
       - name: Run live-migration integration tests
+        timeout-minutes: 20
         run: scripts/dev_cli.sh tests --integration-live-migration --libc ${{ matrix.libc }}