Fix CI (#118)

Author: cab404

.github/workflows/build.yaml

@@ -9,13 +9,14 @@ jobs:
           persist-credentials: false
           submodules: true
 
-    - uses: cachix/install-nix-action@v12
+    - uses: cachix/install-nix-action@v16
       with:
         nix_path: nixpkgs=channel:nixos-unstable
 
-    - uses: cachix/cachix-action@v8
+    - uses: cachix/cachix-action@v10
       with:
         name: hs-dear-imgui
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
 
+    - run: nix-build --version      
     - run: nix-build -A hsPkgs.dear-imgui.components.exes