Update build.yml

.github/workflows/build.yml

@@ -22,7 +22,7 @@ env:
 
 jobs:
   build:
-    runs-on: ${{ matrix.os }}, self-hosted
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         include:
@@ -41,6 +41,11 @@ jobs:
             goal: "build"
             gamos: "linux"
             platform: "x86_64"
+          - os: self-hosted
+            jid: 10
+            goal: "build"
+            gamos: "linux"
+            platform: "arm"
           - os: macos-10.15
             jid: 4
             goal: "build"