Add required timeout_minutes to nick-fields/retry steps

nick-fields/retry@v3 requires either timeout_minutes or
timeout_seconds. Set to 480 minutes to match the GHA job timeout.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: sbryngelson

.github/workflows/bench.yml

@@ -105,6 +105,7 @@ jobs:
         with:
           max_attempts: 3
           retry_wait_seconds: 60
+          timeout_minutes: 480
           command: |
             (cd pr     && ${{ matrix.build_script }}) &
             (cd master && ${{ matrix.build_script }}) &

.github/workflows/test.yml

@@ -255,6 +255,7 @@ jobs:
         with:
           max_attempts: 3
           retry_wait_seconds: 60
+          timeout_minutes: 480
           command: bash .github/workflows/${{ matrix.cluster }}/build.sh ${{ matrix.device }} ${{ matrix.interface }}
 
       - name: Test