ci: update the release test timeout to 40m

recentally, upgrade tests are getting
longer than 30m to pass since reef upgrade.
So, increasing the timeout to 40m.

Signed-off-by: subhamkrai <srai@redhat.com>
(cherry picked from commit 07bb18feba)

.github/workflows/integration-tests-on-release.yaml

@@ -155,7 +155,7 @@ jobs:
         run: |
           tests/scripts/github-action-helper.sh collect_udev_logs_in_background
           export DEVICE_FILTER=$(lsblk|awk '/14G/ {print $1}'| head -1)
-          go test -v -timeout 1800s -run CephUpgradeSuite/TestUpgradeRook github.com/rook/rook/tests/integration
+          go test -v -timeout 2400s -run CephUpgradeSuite/TestUpgradeRook github.com/rook/rook/tests/integration
 
       - name: collect common logs
         if: always()