pin to zmk v0.2

Author: ctranstrum

.github/workflows/build.yml

@@ -2,4 +2,4 @@ on: [push, pull_request, workflow_dispatch]
 
 jobs:
   build:
-    uses: zmkfirmware/zmk/.github/workflows/build-user-config.yml@main
+    uses: zmkfirmware/zmk/.github/workflows/build-user-config.yml@v0.2

config/west.yml

@@ -9,7 +9,7 @@ manifest:
   projects:
     - name: zmk
       remote: zmkfirmware
-      revision: main
+      revision: v0.2
       import: app/west.yml
     - name: zmk-rgbled-widget
       remote: caksoylar