Update vscode tmgrammar test (#64)

* Update vscode-tmgrammar-test to 0.1.1
* Bump node version to 18

Author: nishtahir

.github/workflows/nodejs.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [18.x]
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2