system not name

.forgejo/workflows/build.yaml

@@ -12,9 +12,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - system: fj-hetzner-aarch64-01
+          - name: fj-hetzner-aarch64-01
+            system: aarch64-linux
             os: native-aarch64
-          - system: fj-shadowfax-01
+          - name: fj-shadowfax-01
+            system: x86_64-linux
             os: native-x86_64
     runs-on: ${{ matrix.os }}
     env:
@@ -41,7 +43,7 @@ jobs:
           set -o pipefail
           DRVOUT=$(nix build ".#deploy-json.${{ matrix.system }}" --print-out-paths)
           ::set-output name=build_output::$DRVOUT
-      - name: Push cache for ${{ matrix.system }} to cachix
+      - name: Push cache for ${{ matrix.name }} to cachix
         id: "push-to-cachix"
         if: success()
         env: