fix: adding garbage collect step.

Author: l-monninger

.github/workflows/checks.yml

@@ -14,6 +14,9 @@ jobs:
     - name: Install Nix
       uses: DeterminateSystems/nix-installer-action@main
 
+    - name: Garbage collect nix to help clean build environment
+      run: sudo nix-collect-garbage -d
+
     - name: Run test in nix environment
       run: nix develop --command bash  -c "cargo check"