actions: update

Author: joshtynjala

.github/workflows/vsce.yml

@@ -1,19 +1,15 @@
 name: VSCE CI
 
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
+on: [push, pull_request]
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
       - run: npm ci
       - run: npm run build --if-present
       - run: npm test --if-present