ci: build linux amd64 and upload artifact

.forgejo/workflows/push.yml

@@ -22,3 +22,21 @@ jobs:
           go-version-file: './go.mod'
       - name: Check formatting
         run: if [ "$(gofmt -s -l . | wc -l)" -gt 0 ]; then exit 1; fi
+  build:
+    runs-on: ubuntu-latest
+    needs: [sast, tests]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: './go.mod'
+      - name: Build (Linux AMD64)
+        run: go build .
+        env:
+          GOOS: linux
+          GOARCH: amd64
+      - name: Upload binary
+        uses: actions/upload-artifact@v3
+        with:
+          name: cobble-linux-amd64
+          path: ./cobble