chore!: upgrade minimal node version to 18

node 14 is unsupported since 2023-04-30
node 16 is unsupported since 2023-09-11

Author: p-kuen

package.json

@@ -102,7 +102,7 @@
     "url": "https://github.com/dreamerslab/node.inflection.git"
   },
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18.0.0"
   },
   "license": "MIT",
   "scripts": {

tsconfig.json

@@ -12,7 +12,7 @@
     // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
 
     /* Language and Environment */
-    "target": "es2016",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    "target": "ES2022",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
     // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
     // "jsx": "preserve",                                /* Specify what JSX code is generated. */
     // "experimentalDecorators": true,                   /* Enable experimental support for TC39 stage 2 draft decorators. */