Switch armv7 runner to arm-bothost-4

Author: nikolaszimmermann

.github/workflows/wkdev-sdk.yml

@@ -107,7 +107,7 @@ jobs:
           rm -rf ${HOME}/${CONTAINER}-home
 
   build_armv7:
-    runs-on: arm-bothost-2
+    runs-on: arm-bothost-4
     steps:
       - name: Set tag name
         run: |