update gulp-git

Author: soumak77

package-lock.json

@@ -50,7 +50,7 @@
  "gulp-concat": "^2.6.0",
  "gulp-connect": "^2.0.6",
  "gulp-filter": "^4.0.0",
- "gulp-git": "^1.8.0",
+ "gulp-git": "^2.5.2",
  "gulp-highlight": "0.0.3",
  "gulp-if": "^2.0.1",
  "gulp-load-plugins": "^0.8.0",