chore: update GitHub Actions workflow to use latest Ubuntu and action versions

Author: anonsyn

.github/workflows/main.yml

@@ -14,19 +14,20 @@ permissions:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Install Node.js
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: '18'
+          cache: 'npm'
 
       - name: Build
         run: |
-          npm install
+          npm ci
           npm run build
 
       - name: Upload artifact
@@ -35,7 +36,7 @@ jobs:
           path: ./build
 
   deploy:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     needs: build
     if: github.event_name == 'push'
     environment: