chore: add unit tests to gh workflow, remove additional node version

Author: kevinjosethomas

.github/workflows/ci.yml

@@ -9,21 +9,33 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
-      - run: npm i
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+      - run: npm ci
       - run: npm run lint
 
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+      - run: npm ci
+      - run: npm test
+
   build:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node: ['18']
-    name: Node ${{ matrix.node }} Build
+    needs: [lint, test]
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node }}
-      - run: npm i
+          node-version: '20'
+          cache: 'npm'
+      - run: npm ci
       - run: npm run build