ci: stop testing against NodeJS v14, v16 (#561)

* build(package): set minimal node version in engines field to v18
* build: update esbuild options to use Node 18
BREAKING CHANGE: Drop support for NodeJS v14, v16

Author: wolfy1339

.github/workflows/test.yml

@@ -13,9 +13,8 @@ jobs:
     strategy:
       matrix:
         node_version:
-          - 14
-          - 16
           - 18
+          - 20
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node_version }}

package.json

@@ -96,6 +96,6 @@
     ]
   },
   "engines": {
-    "node": ">= 14"
+    "node": ">= 18"
   }
 }

scripts/build.mjs

@@ -46,7 +46,7 @@ async function main() {
       outdir: "pkg/dist-node",
       bundle: true,
       platform: "node",
-      target: "node14",
+      target: "node18",
       format: "cjs",
       ...sharedOptions,
     }),