bump stablev-1 channel to use CSV 1.2.1 (#409)

Author: horis233

deploy/olm-catalog/operand-deployment-lifecycle-manager/operand-deployment-lifecycle-manager.package.yaml

@@ -3,7 +3,7 @@ channels:
   name: beta
 - currentCSV: operand-deployment-lifecycle-manager.v1.2.2
   name: dev
-- currentCSV: operand-deployment-lifecycle-manager.v1.1.0
+- currentCSV: operand-deployment-lifecycle-manager.v1.2.1
   name: stable-v1
 defaultChannel: stable-v1
 packageName: operand-deployment-lifecycle-manager-app