Bump Mocha to v4

Author: sindresorhus

package.json

@@ -1,51 +1,51 @@
 {
- "name": "gulp-mocha",
- "version": "4.3.1",
- "description": "Run Mocha tests",
- "license": "MIT",
- "repository": "sindresorhus/gulp-mocha",
- "author": {
- "name": "Sindre Sorhus",
- "email": "sindresorhus@gmail.com",
- "url": "sindresorhus.com"
- },
- "engines": {
- "node": ">=4"
- },
- "scripts": {
- "test": "xo && ava"
- },
- "files": [
- "index.js",
- "utils.js"
- ],
- "keywords": [
- "gulpplugin",
- "mocha",
- "test",
- "testing",
- "unit",
- "framework",
- "runner",
- "tdd",
- "bdd",
- "qunit",
- "spec",
- "tap"
- ],
- "dependencies": {
- "dargs": "^5.1.0",
- "execa": "^0.6.0",
- "mocha": "^3.0.0",
- "npm-run-path": "^2.0.2",
- "plugin-error": "^0.1.2",
- "through2": "^2.0.3"
- },
- "devDependencies": {
- "ava": "*",
- "gulp": "^3.9.1",
- "p-event": "^1.0.0",
- "vinyl": "^2.1.0",
- "xo": "*"
- }
+"name": "gulp-mocha",
+"version": "4.3.1",
+"description": "Run Mocha tests",
+"license": "MIT",
+"repository": "sindresorhus/gulp-mocha",
+"author": {
+"name": "Sindre Sorhus",
+"email": "sindresorhus@gmail.com",
+"url": "sindresorhus.com"
+},
+"engines": {
+"node": ">=4"
+},
+"scripts": {
+"test": "xo && ava"
+},
+"files": [
+"index.js",
+"utils.js"
+],
+"keywords": [
+"gulpplugin",
+"mocha",
+"test",
+"testing",
+"unit",
+"framework",
+"runner",
+"tdd",
+"bdd",
+"qunit",
+"spec",
+"tap"
+],
+"dependencies": {
+"dargs": "^5.1.0",
+"execa": "^0.8.0",
+"mocha": "^4.1.0",
+"npm-run-path": "^2.0.2",
+"plugin-error": "^0.1.2",
+"through2": "^2.0.3"
+},
+"devDependencies": {
+"ava": "*",
+"gulp": "^3.9.1",
+"p-event": "^1.0.0",
+"vinyl": "^2.1.0",
+"xo": "*"
+}
 }