ci: add macos-latest

.github/workflows/ci.yml

@@ -9,17 +9,19 @@ on:
 jobs:
   ci:
     name: Check, Build, and Test
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
 
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: cachix/install-nix-action@v27
+        uses: DeterminateSystems/nix-installer-action@main
         with:
-          nix_path: nixpkgs=channel:nixos-unstable
-          extra_nix_config: |
+          extra-conf: |
             experimental-features = nix-command flakes
             accept-flake-config = true
             extra-substituters = https://ros.cachix.org
@@ -47,8 +49,3 @@ jobs:
       - name: Check all features
         run: |
           nix develop .#ci -c cargo check --all-targets --all-features
-
-      # FIXME: This requries the installation of rmw_zenoh_cpp triggering a build from source...
-      # - name: Run unit tests
-      #   run: |
-      #     nix develop .#ci -c cargo test --all-features