ci: set timeout for k8s-external-storage to 90 minutes

1 hour is too little with the added nvme-of testing.

See-also: ceph#6214
Signed-off-by: Niels de Vos <ndevos@ibm.com>

Author: nixpanic

run-k8s-external-storage-e2e.sh

@@ -23,6 +23,7 @@ for driver in /opt/build/go/src/github.com/ceph/ceph-csi/scripts/k8s-storage/dri
 do
 	kubernetes/test/bin/ginkgo \
 		--vv \
+		--timeout=90m \
 		-focus="External.Storage.*.csi.ceph.com" \
 		-skip='\[Feature:|\[Disruptive\]|Generic Ephemeral-volume' \
 		kubernetes/test/bin/e2e.test \