Fix CI node version

Author: bwateratmsft

.github/workflows/vscode-ci.yml

@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: "20"
+          node-version: "22"
       - run: npm install -g cspell@8.13.1
       - name: Spell check for vscode extension
         run: cspell lint '**/*.ts' --config ./ext/vscode/.vscode/cspell.yaml --root ./ext/vscode --no-progress
@@ -33,7 +33,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [22.x]
         os: [macos-latest, ubuntu-latest, windows-latest]
         include:
           - os: ubuntu-latest