Drop support for Node 12 and Node 17 (#495)

Co-authored-by: Bryan Mishkin <698306+bmish@users.noreply.github.com>

Author: ddzz

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu, windows ]
-        node-version: [12.x, 14.x, 16.x, 17.x, 18.x, 19.x, 20.x]
+        node-version: [14.x, 16.x, 18.x, 19.x, 20.x]
 
     steps:
     - uses: actions/checkout@v3

package.json

@@ -80,7 +80,7 @@
     "typescript": "^4.0.2"
   },
   "engines": {
-    "node": "^12.20.0 || ^14.14.0 || >=16.0.0"
+    "node": "^14.18.0 || ^16.0.0 || >=18.0.0"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org"