Fix typo in base-template.yaml

Signed-off-by: Revital Sur <eres@il.ibm.com>

Author: revit13

src/codeflare_sdk/templates/base-template.yaml

@@ -287,7 +287,7 @@ spec:
                   optional: false
                 - name: server-cert
                   emptyDir: {}
-    - replica: 1
+    - replicas: 1
       generictemplate:
         kind: Route
         apiVersion: route.openshift.io/v1