update slack channel links (#3589)

Signed-off-by: Mathew Wicks <thesuperzapper@users.noreply.github.com>
Signed-off-by: Mathew Wicks <5735406+thesuperzapper@users.noreply.github.com>

Author: thesuperzapper

content/en/docs/about/community.md

@@ -20,9 +20,9 @@ The Official Kubeflow Slack is used for informal discussions among users and con
 | Job Postings | [#job-postings](https://kubeflow.slack.com/archives/CJ9PJE5FS)
 | Kubeflow - Pipelines | [#kubeflow-pipelines](https://kubeflow.slack.com/archives/CE10KS9M4)
 | Kubeflow - Notebooks | [#kubeflow-notebooks](https://kubeflow.slack.com/archives/CESP7FCQ7)
-| Kubeflow - KFServing | [#kubeflow-kfserving](https://kubeflow.slack.com/archives/CH6E58LNP)
-| Kubeflow - Training Operator | [#wg-training](https://kubeflow.slack.com/archives/C018N3M6QKB)
-| Kubeflow - AutoML | [#wg-automl](https://kubeflow.slack.com/archives/C018PMV53NW)
+| Kubeflow - Training Operator | [#kubeflow-training-operator](https://kubeflow.slack.com/archives/C985VJN9F)
+| Kubeflow - Katib | [#kubeflow-katib](https://kubeflow.slack.com/archives/CE0BURK1B)
+| KServe | [#kserve](https://kubeflow.slack.com/archives/CH6E58LNP)
 | Platform - AWS | [#platform-aws](https://kubeflow.slack.com/archives/CKBA5D0MU)
 | Platform - Azure | [#platform-azure](https://kubeflow.slack.com/archives/CUW6SLCPR)
 | Platform - GCP | [#platform-gcp](https://kubeflow.slack.com/archives/CKH7V1M7F)