Remove support for Node.js 16

Author: remcohaszing

.github/workflows/ci.yaml

@@ -36,7 +36,6 @@ jobs:
     strategy:
       matrix:
         node-version:
-          - 16
           - 18
           - 20
     steps:

package.json

@@ -31,7 +31,7 @@
   "scripts": {
     "prepack": "tsc --build",
     "pretest": "tsc --build",
-    "test": "c8 node dist/test.js"
+    "test": "c8 node --test"
   },
   "dependencies": {
     "@types/mdast": "^4.0.0",