refactor(CI): cleanup

.github/workflows/main.yml

@@ -63,14 +63,14 @@ jobs:
         # https://nodejs.org/en/about/releases/
         # https://pnpm.io/installation#compatibility
         # Includes the lowest version supported by preview-kit (defined in pkg.engines.node) and the upcoming version in development
-        node: [16, 18, 19]
+        node: [lts/-1, lts/*, current]
         os: [ubuntu-latest]
         # Also test the LTS on mac and windows
         include:
           - os: macos-latest
-            node: 18
+            node: lts/*
           - os: windows-latest
-            node: 18
+            node: lts/*
     runs-on: ${{ matrix.os }}
     env:
       NODE_VERSION: ${{ matrix.node }}
@@ -92,8 +92,6 @@ jobs:
       - run: pnpm install --loglevel=error
       - run: pnpm test
       - run: pnpm test:esm
-        # Only node 16 and later supports `assert {type: json}` used in the test.mjs unit
-        if: matrix.node != '14'
 
   release:
     needs: [build, test]