Testing macos and windows runners

.github/workflows/ci.yml

@@ -5,7 +5,11 @@ on: [push]
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
     - uses: actions/checkout@v4
@@ -20,6 +24,7 @@ jobs:
     - uses: Swatinem/rust-cache@v2
     - name: Run formatter
       run: cargo fmt --check
+      if: matrix.os == 'ubuntu-latest'
     - name: Run clippy
       run: bash scripts/ci/clippy.bash
     - name: Run tests