chore: update dependencies, correct license in package.json (#114)

Author: pearofducks

lib/validate.js

@@ -8,7 +8,7 @@
   The above copyright notice and this permission notice shall be
   included in all copies or substantial portions of this Source Code Form.
 */
-const Joi = require('joi');
+const Joi = require('@hapi/joi');
 
 const { boolean, object, validate } = Joi.bind();
 

package.json

@@ -2,7 +2,7 @@
   "name": "koa-webpack",
   "version": "5.2.2",
   "description": "Development and Hot Reload Middleware for Koa2",
-  "license": "MPL",
+  "license": "MPL-2.0",
   "repository": "shellscape/koa-webpack",
   "author": "Andrew Powell <[email protected]>",
   "homepage": "https://github.com/shellscape/koa-webpack",
@@ -34,7 +34,7 @@
   "dependencies": {
     "app-root-path": "^2.0.1",
     "chalk": "^2.4.2",
-    "joi": "^14.3.1",
+    "@hapi/joi": "^15.0.0",
     "loud-rejection": "^1.6.0",
     "merge-options": "^1.0.0",
     "webpack-dev-middleware": "^3.0.0",
@@ -43,7 +43,7 @@
   "devDependencies": {
     "@commitlint/cli": "^7.2.1",
     "@commitlint/config-conventional": "^7.1.2",
-    "ava": "^1.0.1",
+    "ava": "^1.4.1",
     "conventional-github-releaser": "^3.1.0",
     "cross-env": "^5.1.6",
     "deepmerge": "^3.0.0",
@@ -57,7 +57,7 @@
     "koa-compose": "^4.0.0",
     "lint-staged": "^8.1.0",
     "memory-fs": "^0.4.1",
-    "nyc": "^13.3.0",
+    "nyc": "^14.1.0",
     "pre-commit": "^1.2.2",
     "prettier": "^1.13.4",
     "standard-version": "^4.4.0",