Drop support for Node.js 14, update minimal requirements for 16, 18 and 20

Require the latest versions with new features.

Author: novemberborn

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [^14.19, ^16.15, ^18, ^20]
+        node-version: [^16.18, ^18.16, ^20.3]
         os: [ubuntu-latest, windows-latest]
     steps:
       - uses: actions/checkout@v3
@@ -28,9 +28,6 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
           cache: npm
-      - name: Install npm@8 for Node.js 14
-        if: matrix.node-version == '^14.19'
-        run: npm install --global npm@^8
       - run: npm install --no-audit
       - run: npm run cover
       - uses: codecov/codecov-action@v3

package-lock.json

@@ -33,7 +33,7 @@
 	},
 	"type": "module",
 	"engines": {
-		"node": ">=14.19 <15 || >=16.15 <17 || >=18"
+		"node": "^16.18 || ^18.16 || ^20.3"
 	},
 	"scripts": {
 		"cover": "c8 --report=none test-ava && c8 --report=none --no-clean tap && c8 report",
@@ -156,6 +156,6 @@
 		}
 	},
 	"volta": {
-		"node": "20.2.0"
+		"node": "20.3.1"
 	}
 }