Update Node.js to v20 and upgrade GitHub Actions

.github/workflows/publish.yml

@@ -18,12 +18,17 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
           cache: 'npm'
           cache-dependency-path: package-lock.json
       
+      - name: Verify Node.js and npm versions
+        run: |
+          node --version
+          npm --version
+      
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: npm-cache
         with:
           path: |
@@ -45,7 +50,7 @@ jobs:
         run: npm cache clean --force && npm install --legacy-peer-deps --no-optional
       
       - name: Cache build output
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: dist
           key: ${{ runner.os }}-build-${{ github.sha }}
@@ -76,13 +81,18 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
           registry-url: 'https://registry.npmjs.org'
           cache: 'npm'
           cache-dependency-path: package-lock.json
       
+      - name: Verify Node.js and npm versions
+        run: |
+          node --version
+          npm --version
+      
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: npm-cache
         with:
           path: |
@@ -131,7 +141,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
       
       - name: Cache Docker layers
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:18-alpine
+FROM node:20-alpine
 
 WORKDIR /app