chore(package.json): upgrade @types/jasmine to 2.8.9 version due to errors on install

Author: Neonox31

package.json

@@ -40,7 +40,7 @@
         "@angular/compiler": "^4.1.3",
         "@angular/compiler-cli": "^4.1.3",
         "@angular/core": "^4.1.3",
-        "@types/jasmine": "^2.5.38",
+        "@types/jasmine": "2.8.9",
         "@types/selenium-webdriver": "^3.0.4",
         "codelyzer": "3.0.1",
         "rxjs": "5.4.0",