promote latest slack-infra images

TODO: get references updated after these are promoted, also likely get new builds and do it again ...

Author: BenTheElder

registry.k8s.io/images/k8s-staging-slack-infra/images.yaml

@@ -1,15 +1,20 @@
 - name: slack-event-log
   dmap:
     "sha256:a56c29108faf779b6ebd84e90a71a62d457cb290841508f69624efe298f4b403": ["v20200612-1c5d751"]
+    "sha256:9ec36ec1672cccf45b2cd39587e63c87984e1d84e3cb136e26a6b8cae096d2ea": ["v20230228-2b433f6"]
 - name: slack-moderator
   dmap:
     "sha256:8212fd9ae215d9974801b8c3e8d8b14156c93353bddb897d9be27c84a586db16": ["v20200612-1c5d751"]
+    "sha256:42b1a5eb323e258d661cac8d9a9aa8a9a13894b75e168f1794f7608253e0eeb9": ["v20230228-2b433f6"]
 - name: slack-report-message
   dmap:
     "sha256:41e6c94a4b6c9a29d2742689bf515a7750f3cfdb3a9b1e36b3aa02ac21ab93cf": ["v20200612-1c5d751"]
+    "sha256:de16a231703965b70926fcbef9896f749646a1c8723600fe5760697666bc1040": ["v20230228-2b433f6"]
 - name: slack-welcomer
   dmap:
     "sha256:5b80002652416013af7331d882fadf32e46c39c8ed034b5b8af5a3906422c9da": ["v20200612-1c5d751"]
+    "sha256:acae93531ee5790d562e2156432e94a7a9618e2d6dd8676ee06d650a809a9c51": ["v20230228-2b433f6"]
 - name: tempelis
   dmap:
     "sha256:abafcc2fe91bd63202c7dc81d03a15c7dd878f232deecf795274422483616bf2": ["v20200612-1c5d751"]
+    "sha256:a468ec25dc9701f3b46a5e62326d1cea0862b4855e37b8961b7b664c9f9d3f02": ["v20230228-2b433f6"]