Bump gulp-jasmine from 2.4.2 to 4.0.0 (#132)

Bumps [gulp-jasmine](https://github.com/sindresorhus/gulp-jasmine) from 2.4.2 to 4.0.0.
- [Release notes](https://github.com/sindresorhus/gulp-jasmine/releases)
- [Commits](https://github.com/sindresorhus/gulp-jasmine/commits/v4.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -5,7 +5,7 @@
   "main": "build/date.js",
   "devDependencies": {
     "gulp": "^4.0.2",
-    "gulp-jasmine": "^2.0.1",
+    "gulp-jasmine": "^4.0.0",
     "gulp-concat": "^2.5.2",
     "gulp-sourcemaps": "^1.5.2",
     "gulp-uglify": "^1.2.0",