Updated the the csv yaml to add an annotation for k8s max (#3181)

* Updated the README.md with a note about what directiosn to follow
as well as added an newly needed annotation for k8s max version

[sc-14218]

* removed outdated commands, updated the note, deleted repo link

Author: ValClarkson

installers/olm/README.md

@@ -12,22 +12,4 @@ tests. Consult the [technical requirements][hub-contrib] when making changes.
 [OLM]: https://github.com/operator-framework/operator-lifecycle-manager
 [scorecard]: https://sdk.operatorframework.io/docs/scorecard/
 
-## Testing
-
-### Setup
-
-```
-make docker-package docker-verify
-```
-
-```
-pip3 install yq
-```
-
-### Testing
-
-```
-make install-olm # install OLM framework
-make package # build OLM package
-make verify # verify OLM package
-```
+**_NOTE:_** Removed make commands from this file because they no longer function as stated, but left the above info which contains historical and relevant information.

installers/olm/postgresoperator.csv.yaml

@@ -4,6 +4,7 @@ kind: ClusterServiceVersion
 metadata:
   name: 'postgresoperator.v${PGO_VERSION}'
   annotations:
+    operatorhub.io/ui-metadata-max-k8s-version: "1.21"
     certified: 'false'
     support: crunchydata.com