feat!: drop support for old node versions (<18, 19, 21)

Author: ota-meshi

.github/workflows/NodeCI.yml

@@ -53,7 +53,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         eslint: [7, 8, 9]
-        node: [20]
+        node: [18.x, 20.x, 22.x, latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -87,14 +87,6 @@ jobs:
         os: [ubuntu-latest]
         eslint: [9]
         node: [18, 20, 22]
-        include:
-          # On old Node.js version
-          - eslint: 8
-            node: 16
-            os: ubuntu-latest
-          - eslint: 8
-            node: 17
-            os: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -124,7 +116,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node: [14]
+        node: [18]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -183,8 +175,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v2
       - uses: actions/setup-node@v4
-        with:
-          node-version: 18
       - name: Install Packages
         run: pnpm install
       - name: Update resources

packages/eslint-plugin-svelte/package.json

@@ -8,7 +8,7 @@
   "funding": "https://github.com/sponsors/ota-meshi",
   "license": "MIT",
   "engines": {
-    "node": "^14.17.0 || >=16.0.0"
+    "node": "^18.20.4 || ^20.18.0 || >=22.10.0"
   },
   "type": "commonjs",
   "main": "lib/index.js",