[New] officially support eslint 7

Author: ljharb

package.json

@@ -67,7 +67,7 @@
     "chai": "^4.2.0",
     "coveralls": "^3.0.6",
     "cross-env": "^4.0.0",
-    "eslint": "2.x - 6.x",
+    "eslint": "^2 || ^3 || ^4 || ^5 || ^6 || ^7.0.0-0",
     "eslint-import-resolver-node": "file:./resolvers/node",
     "eslint-import-resolver-typescript": "^1.0.2",
     "eslint-import-resolver-webpack": "file:./resolvers/webpack",
@@ -88,7 +88,7 @@
     "typescript-eslint-parser": "^22.0.0"
   },
   "peerDependencies": {
-    "eslint": "2.x - 6.x"
+    "eslint": "^2 || ^3 || ^4 || ^5 || ^6 || ^7.0.0-0"
   },
   "dependencies": {
     "array-includes": "^3.0.3",