ci: fix typo

(cherry picked from commit 59b6acf)
Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>

.gitlab-ci.yml

@@ -412,7 +412,7 @@ deploy_dcache_helm:
 #
 # The deployment can be done as:
 #
-#  kubectl create -f ./ci/cvmfs-storageclass.yaml
+#  kubectl create -f .ci/cvmfs-storageclass.yaml
 #  helm repo add cern https://registry.cern.ch/chartrepo/cern
 #  helm repo update
 #  helm -n dcache-dev-infrastructure install -f .ci/values-cvmfs.yaml cvmfs cern/cvmfs-csi