GHA aarch64: this IS a container job!

Why does GH think that it is not???

[ci skip]

Author: gaborcsardi

.github/workflows/test.yaml

@@ -135,8 +135,7 @@ jobs:
   linux-build-aarch64:
     if: ${{ github.event.inputs.inplinuxaarch64 == '' || github.event.inputs.inplinuxaarch64 == 'yes' }}
     runs-on: [linux-arm64]
-    container:
-      image: "alpine:3.18"
+    container: "alpine:3.18"
     name: Linux build aaarch
     env:
       RUST_BACKTRACE: 1