Update KFdef for release v1.0.0

Author: LaVLaS

kfdef/kfctl_openshift.yaml

@@ -119,5 +119,5 @@ spec:
   - name: kf-manifests
     uri: https://github.com/opendatahub-io/manifests/tarball/v1.0-branch-openshift
   - name: manifests
-    uri: https://github.com/opendatahub-io/odh-manifests/tarball/master
+    uri: https://github.com/opendatahub-io/odh-manifests/tarball/v1.0.0
   version: v0.7-branch-openshift