fix(action): update to matrix

.github/workflows/react.yml

@@ -5,24 +5,25 @@ name: Ensure React Project Builds
 
 on:
   push:
-    branches: [ "dev", "main" ]
+    branches: ["dev", "main"]
   pull_request:
-    branches: [ "dev", "main" ]
-
+    branches: ["dev", "main"]
 env:
-    WORKING_DIRECTORY: ./src/EducationTrail/ClientApp
-
+  WORKING_DIRECTORY: ./src/EducationTrail/ClientApp
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
+    strategy:
+      matrix:
+        # omits 14.x because some of our devDependencies require 16.x or higher
+        node-version: [18.x, 20.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
     steps:
-    - uses: actions/checkout@v3
-    - name: Use Node.js
-      uses: actions/setup-node@v3
-      with:
-        node-version: '18.x'
-        cache: 'npm'
-    - run: npm ci --prefix "${{ env.WORKING_DIRECTORY }}"
-    - run: npm run build
+      - uses: actions/checkout@v4
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "npm"
+      - run: npm ci --prefix "${{ env.WORKING_DIRECTORY }}"
+      - run: npm run build --prefix "${{ env.WORKING_DIRECTORY }}"