slack-config/sig-arch: Rename sig-pm channel to enhancements

Signed-off-by: Stephen Augustus <saugustus@vmware.com>

communication/slack-config/channels.yaml

@@ -300,7 +300,6 @@ channels:
   - name: sig-network
   - name: sig-node
   - name: sig-node-rkt
-  - name: sig-pm
   - name: sig-scalability
   - name: sig-scheduling
   - name: sig-service-catalog

communication/slack-config/restrictions.yaml

@@ -13,6 +13,7 @@ restrictions:
   - path: "sig-architecture/*.yaml"
     channels:
       - "^sig-architecture$"
+      - "^enhancements$"
       - "^k8s-code-organization$"
       - "^k8s-conformance$"
       - "^prod-readiness$"

communication/slack-config/sig-architecture/config.yaml

@@ -1,5 +1,7 @@
 channels:
   - name: sig-architecture
+  - name: enhancements
+    id: C1L57L91V
   - name: k8s-code-organization
   - name: k8s-conformance
   - name: prod-readiness

sig-architecture/README.md

@@ -79,6 +79,8 @@ The following [subprojects][subproject-definition] are owned by sig-architecture
 [Described below](#enhancements)
 - **Owners:**
   - https://raw.githubusercontent.com/kubernetes/enhancements/master/OWNERS
+- **Contact:**
+  - Slack: [#enhancements](https://kubernetes.slack.com/messages/enhancements)
 ### production-readiness
 [Described below](#production-readiness)
 - **Owners:**

sigs.yaml

@@ -327,6 +327,8 @@ sigs:
     - https://raw.githubusercontent.com/kubernetes/kubernetes/master/test/conformance/testdata/OWNERS
   - name: enhancements
     description: '[Described below](#enhancements)'
+    contact:
+      slack: enhancements
     owners:
     - https://raw.githubusercontent.com/kubernetes/enhancements/master/OWNERS
   - name: production-readiness