Use Node 20

Node 18 is EOL and has been for a bit, so we should use Node 20 wherever
possible.

Signed-off-by: David Thompson <davthomp@redhat.com>

Author: datho7561

.github/workflows/release.yml

@@ -80,10 +80,6 @@ jobs:
           cp org.eclipse.lemminx/target/org.eclipse.lemminx*-uber.jar ../staging
       - name: Check Out VS Code XML
         uses: actions/checkout@v4
-      - name: Set Up NodeJS
-        uses: actions/setup-node@v4
-        with:
-          node-version: '18'
       - name: Install dependencies
         run: npm install -g typescript "@vscode/vsce" "ovsx"
       - name: Build vscode-xml
@@ -184,10 +180,6 @@ jobs:
     steps:
       - name: Check Out VS Code XML
         uses: actions/checkout@v4
-      - name: Set Up NodeJS
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
       - name: Install dependencies
         run: npm install -g typescript "@vscode/vsce" "ovsx"
       - name: Download VSIX & LemMinX Server Uber Jar

package-lock.json

@@ -78,7 +78,7 @@
     "@eslint/js": "^9.16.0",
     "@types/fs-extra": "^8.1.2",
     "@types/glob": "^7.1.4",
-    "@types/node": "^18.17.1",
+    "@types/node": "^20.19.9",
     "@types/vscode": "^1.37.0",
     "@types/yauzl": "^2.9.1",
     "@vscode/test-cli": "^0.0.10",