ci: tag release v2.11.11

Doing this for https://hasurahq.slack.com/archives/C05U0N4TAC9

PR-URL: hasura/graphql-engine-mono#10331
GitOrigin-RevId: ea2a2eb70da57634fcde70b0cae46829cac240f5

Author: scriptnull

server/src-rsr/catalog_versions.txt

@@ -183,3 +183,4 @@ v2.33.2 48
 v2.34.0-beta.1 48
 v2.33.3 48
 v2.33.4 48
+v2.11.11 47