fix: prevent errors when the plugin is used with eslint < 8.40.0 by raising the min required version

The plugin relies on context.sourceCode API which has been added in ESLint 8.40.0

BREAKING CHANGE: The minimum required eslint version has been raised to 8.40.0

Author: rlaffers

package.json

@@ -2,11 +2,7 @@
   "name": "eslint-plugin-xstate",
   "version": "0.0.0-semantically-released",
   "description": "ESLint rules for XState",
-  "keywords": [
-    "eslint",
-    "eslintplugin",
-    "eslint-plugin"
-  ],
+  "keywords": ["eslint", "eslintplugin", "eslint-plugin"],
   "author": "Richard Laffers",
   "main": "lib/index.js",
   "scripts": {
@@ -28,7 +24,7 @@
     "@commitlint/config-conventional": "^17.0.3",
     "commitizen": "^4.2.3",
     "cz-conventional-changelog": "^3.3.0",
-    "eslint": "^8.48.0",
+    "eslint": "^8.40.0",
     "eslint-config-prettier": "^8.5.0",
     "eslint-config-standard": "^17.0.0",
     "eslint-plugin-import": "^2.26.0",
@@ -40,7 +36,7 @@
     "semantic-release": "^21.0.7"
   },
   "peerDependencies": {
-    "eslint": "^8.17.0"
+    "eslint": "^8.40.0"
   },
   "engines": {
     "node": ">=16.0.0"