use valid worker

Author: jungleraptor

.github/workflows/musl.yaml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   arm-linux-musleabihf:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
     steps:
       - name: checkout source
         uses: actions/checkout@v2