fix(ci): install gcc for race detector support

.gitea/workflows/ci.yml

@@ -18,6 +18,9 @@ jobs:
         with:
           go-version: "1.24"
 
+      - name: Install build tools
+        run: apk add --no-cache gcc musl-dev
+
       - name: Vet
         run: go vet ./...