ci: increase e2e_timeout to 150 mins
ci: increase e2e_timeout to 150 mins

With the added nfs snap and clone tests,
e2e test is timing out. This commit increases
the timeout to 150 mins.

Signed-off-by: Rakshith R <2c7b05ed1488c7110901626c2c56645675e22767@redhat.com>

ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi