Add credentialRequest for manila namespace

 - Required to generate manila-cloud-credentials in the manila namespace
   used for authentication

Author: dkokkino

manifests/03_credentials_request_manila_namespace.yaml

@@ -0,0 +1,16 @@
+apiVersion: cloudcredential.openshift.io/v1
+kind: CredentialsRequest
+metadata:
+  name: manila-csi-drivers
+  namespace: openshift-cloud-credential-operator
+  annotations:
+    include.release.openshift.io/self-managed-high-availability: "true"
+    include.release.openshift.io/single-node-developer: "true"
+    capability.openshift.io/name: Storage+CloudCredential
+spec:
+  secretRef:
+    name: manila-cloud-credentials
+    namespace: openshift-manila-csi-driver
+  providerSpec:
+    apiVersion: cloudcredential.openshift.io/v1
+    kind: OpenStackProviderSpec