chore: update Node.js version to 20 and install latest vsce in workflows

Author: twentyTwo

.github/workflows/publish.yml

@@ -98,7 +98,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
 
       - name: Install dependencies
         run: npm ci
@@ -107,7 +107,7 @@ jobs:
         run: npm run compile
 
       - name: Install vsce
-        run: npm install -g @vscode/vsce
+        run: npm install -g @vscode/vsce@latest
 
       - name: Clean existing VSIX files
         run: rm -f *.vsix

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
 
       - name: Install dependencies
         run: npm ci
@@ -28,7 +28,7 @@ jobs:
 
       - name: Package Extension
         run: |
-          npm install -g @vscode/vsce
+          npm install -g @vscode/vsce@latest
           vsce package
           
       - name: Get version info