try to build arm image on arm host

Author: jurica

.github/workflows/build.yml

@@ -8,10 +8,10 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-arm
     strategy:
       matrix:
-        tag: [alpine-amd64, alpine-i386]
+        tag: [alpine-arm64]
     permissions:
       contents: read
       packages: write