Upgrade mocha version

Author: CGamesPlay

package.json

@@ -1,22 +1,32 @@
 {
   "name": "callable-instance",
   "version": "1.0.1",
-  "description":
-    "Instances of classes which are directly callable as functions.",
+  "description": "Instances of classes which are directly callable as functions.",
   "repository": "CGamesPlay/node-callable-instance",
   "main": "index.js",
   "types": "index.d.ts",
   "scripts": {
     "test": "mocha -c -R progress"
   },
-  "keywords": ["instance", "function", "object", "class", "callable"],
+  "keywords": [
+    "instance",
+    "function",
+    "object",
+    "class",
+    "callable"
+  ],
   "bugs": {
     "url": "https://github.com/CGamesPlay/node-callable-instance/issues"
   },
   "author": "Ryan Patterson",
   "license": "MIT",
   "devDependencies": {
-    "mocha": "^6.2.2"
+    "mocha": "^8.0.1"
   },
-  "files": ["index.js", "index.d.ts", "LICENSE", "README.md"]
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "LICENSE",
+    "README.md"
+  ]
 }