chore: sync and upgrade some actions versions

Author: seewerah

.github/workflows/cypress.yml

@@ -22,9 +22,9 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Cypress run
-        uses: cypress-io/github-action@v2
+        uses: cypress-io/github-action@v6
         with:
           build: npm run build
           start: npm start

.github/workflows/index.yml

@@ -18,15 +18,19 @@ jobs:
     # The type of runner that the job will run on
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        node-version: [16.x]
+
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
-          node-version: '16.x'
+          node-version: ${{ matrix.node-version }}
 
       - name: Cache dependencies
         uses: actions/cache@v4

.github/workflows/lighthouse.yml

@@ -15,15 +15,15 @@ jobs:
         node-version: [16.x]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
           restore-keys: |
             ${{ runner.os }}-node-
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - name: Install dependencies