tets(ci): matrix against mac, windows, and node

goal is to catch issues on platforms like windows

.github/workflows/main.yml

@@ -9,15 +9,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Check for new kubo version
         id: check
         uses: ./.github/actions/check-for-kubo-release
       - name: Set up node
         if: steps.check.outputs.publish == 'true'
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
-          node-version: 14.x
+          node-version: 20.x
       - name: Install
         if: steps.check.outputs.publish == 'true'
         run: npm install

.github/workflows/test.yml

@@ -8,12 +8,16 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [windows-latest, macos-latest, linux-latest]
+        node-version: [20.x]
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-node@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
       with:
-        node-version: 14.x
+        node-version: ${{ matrix.node-version }}
     - run: npm install
     - uses: gozala/[email protected]
     - run: npm run build --if-present