Merge pull request #7707 from shaneutt/shaneutt/add-slack-channels-for-sig-network

Add some slack channels for SIG Network

Author: k8s-ci-robot

communication/slack-config/channels.yaml

@@ -32,6 +32,7 @@ channels:
   - name: azure-service-operator
   - name: bazel
   - name: bindings-discuss
+  - name: blixt
   - name: bootkube
     archived: true
   - name: bpfman
@@ -472,6 +473,7 @@ channels:
   - name: sig-instrumentation
   - name: sig-multicluster
   - name: sig-network
+  - name: sig-network-kni
   - name: sig-network-multi-network
   # sig-node channels are defined in sig-node/
   - name: sig-scalability