ci: add macos arm64 pixi validation

Author: geoHeil

.github/workflows/CI.yml

@@ -147,6 +147,37 @@ jobs:
         if: matrix.run_hooks
         run: pixi run --frozen pre-commit-run-all
 
+  macos:
+    name: macos (arm64)
+    runs-on: macos-15
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        with:
+          persist-credentials: false
+
+      - uses: prefix-dev/setup-pixi@5185adfbffb4bd703da3010310260805d89ebb11 # v0.9.6
+        with:
+          pixi-version: ${{ env.PIXI_VERSION }}
+          frozen: true
+          cache: false
+
+      - name: Unit tests
+        run: pixi run --frozen test
+
+      - name: Lint
+        run: pixi run --frozen lint
+
+      - name: Format check
+        run: pixi run --frozen format-check
+
+      - name: Security audit
+        run: pixi run --frozen audit-pypi
+
+      - name: Prek hooks
+        run: pixi run --frozen pre-commit-run-all
+
   dagger:
     name: dagger
     runs-on: ubuntu-latest