feat: support ESLint 8.x

Author: MichaelDeBoey

.github/workflows/validate.yml

@@ -16,7 +16,7 @@ jobs:
     if: ${{ !contains(github.head_ref, 'all-contributors') }}
     strategy:
       matrix:
-        eslint: [6.8.0, 6, 7.0.0, 7]
+        eslint: [6.8.0, 6, 7.0.0, 7, 8.0.0, 8]
         node: [12.22.0, 12, 14.17.0, 14, 16.0.0, 16]
     runs-on: ubuntu-latest
     steps:

package.json

@@ -45,15 +45,15 @@
     "requireindex": "^1.2.0"
   },
   "devDependencies": {
-    "@typescript-eslint/parser": "^4.33.0",
-    "eslint": "^7.31.0",
+    "@typescript-eslint/parser": "^5.7.0",
+    "eslint": "^8.5.0",
     "eslint-remote-tester": "^2.0.1",
     "eslint-remote-tester-repositories": "^0.0.3",
     "kcd-scripts": "^11.2.2",
     "typescript": "^4.5.3"
   },
   "peerDependencies": {
-    "eslint": ">=6.8"
+    "eslint": "^6.8.0 || ^7.0.0 || ^8.0.0"
   },
   "eslintConfig": {
     "extends": "./node_modules/kcd-scripts/eslint.js",