sink: Update jobs to reflect kubernetes v1.31 release

Author: anoopcs9

jobs/sink-clustered-deployment.yml

@@ -1,7 +1,7 @@
 - project:
     name: samba_sink_mini_k8s
     k8s_version:
-      - '1.28'
+      - '1.30'
       - '1.29'
       - 'latest'
     jobs: