Remove Node.js v12 support

.github/workflows/npm-publish.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [ '12', '14', '16' ]
+        node: [ '14', '16', '18' ]
     name: Node v${{ matrix.node }} test
     steps:
       - uses: actions/checkout@v2
@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: '16'
+          node-version: '18'
           registry-url: https://registry.npmjs.org/
       - uses: jaid/[email protected]
       - run: npm run build

.github/workflows/npm-test.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [ '12', '14', '16' ]
+        node: [ '14', '16', '18' ]
     name: Node v${{ matrix.node }} test
     steps:
       - uses: actions/checkout@v2

package.json

@@ -9,7 +9,7 @@
 		"types/"
 	],
 	"engines": {
-		"node": ">=12"
+		"node": ">=14"
 	},
 	"scripts": {
 		"build": "del-cli ./dist && tsc",