ci: test against macos

Signed-off-by: Rifa Achrinza <[email protected]>

Author: achrinza

.github/workflows/ci.yaml

@@ -82,11 +82,14 @@ jobs:
         uses: fsfe/reuse-action@3ae3c6bdf1257ab19397fab11fd3312144692083 # v4.0.0
   test:
     name: Test
-    runs-on: ubuntu-24.04
+    runs-on: ${{ matrix.os }}
     timeout-minutes: 30
     strategy:
       fail-fast: false
       matrix:
+        os:
+          - ubuntu-24.04
+          - macos-13
         node-version:
           - 16
           - 18
@@ -115,11 +118,14 @@ jobs:
       run: ./cicd/well-known/test-harness.sh
   cross-test:
     name: Cross-test
-    runs-on: ubuntu-24.04
+    runs-on: ${{ matrix.os }}
     timeout-minutes: 30
     strategy:
       fail-fast: false
       matrix:
+        os:
+          - ubuntu-24.04
+          - macos-13
         node-version:
           - 18
           - 20
@@ -131,6 +137,9 @@ jobs:
       uses: step-security/harden-runner@0d381219ddf674d61a7572ddd19d7941e271515c # v2.9.0
       with:
         egress-policy: audit
+    - name: Setup Docker (macOS)
+      if: matrix.os == 'macos-13'
+      uses: douglascamata/setup-dockr-macos-action@8d5fa43892aed7eee4effcdea113fd53e4d4bf83 # v1-alpha.14
     - name: Checkout
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with: