feat!: drop support for ESLint<v8.57.0 (#357)

* feat!: drop support for ESLint<v8.57.0

* Create chilly-pigs-guess.md

.changeset/chilly-pigs-guess.md

@@ -0,0 +1,5 @@
+---
+"eslint-plugin-astro": major
+---
+
+feat!: drop support for ESLint<v8.57.0

.github/workflows/NodeCI.yml

@@ -47,34 +47,15 @@ jobs:
         run: npm install -f
       - name: Test
         run: npm test
-  test-for-eslint-v9:
+  test-for-eslint-v8:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
-      - name: Install eslint v9
+      - name: Install eslint v8.57.0
         run: |+
-          npm i -D eslint@^9.0.0 -f
-          npx rimraf node_modules
-      - name: Install Packages
-        run: npm install -f
-      - name: Test
-        run: npm test
-  test-for-eslint-v7:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [18.x]
-    steps:
-      - uses: actions/checkout@v4
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
-        with:
-          node-version: ${{ matrix.node-version }}
-      - name: Install eslint v7
-        run: |+
-          npm i -D eslint@7 @typescript-eslint/parser@5 -f
+          npm i -D eslint@^8.57.0 -f
           npx rimraf node_modules
       - name: Install Packages
         run: npm install -f

package.json

@@ -64,7 +64,7 @@
     "postcss-selector-parser": "^6.0.10"
   },
   "peerDependencies": {
-    "eslint": ">=7.0.0"
+    "eslint": ">=8.57.0"
   },
   "devDependencies": {
     "@astrojs/compiler": "^2.0.0",