tests: arm64: Increase k8s tests timeout to 60 minutes

This allows adding different runners in case the powerful one goes down
for one reason or another.

Signed-off-by: Fabiano Fidêncio <ffidencio@nvidia.com>

.github/workflows/run-k8s-tests-on-arm64.yaml

@@ -65,7 +65,7 @@ jobs:
         run: bash tests/integration/kubernetes/gha-run.sh install-bats
 
       - name: Run tests
-        timeout-minutes: 30
+        timeout-minutes: 60
         run: bash tests/integration/kubernetes/gha-run.sh run-tests
 
       - name: Report tests