Forgot to change something in the CI oops

Signed-off-by: Slendi <slendi@socopon.com>

.github/workflows/build.yml

@@ -20,8 +20,8 @@ jobs:
         uses: actions/checkout@v3
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main
-      - name: Building monolith package
-        run: nix build .#monolith
+      - name: Building default package
+        run: nix build .#default
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with: