chore: update ts-jest contributors (#1382)

Author: ahnpnl

package.json

@@ -50,7 +50,9 @@
   ],
   "author": "Kulshekhar Kabra <kulshekhar@users.noreply.github.com> (https://github.com/kulshekhar)",
   "contributors": [
-    "Huafu Gandon <huafu.gandon@gmail.com> (https://github.com/huafu)"
+    "Huafu Gandon <huafu.gandon@gmail.com> (https://github.com/huafu)",
+    "Anh Pham <anhpnnd@gmail.com> (https://github.com/ahnpnl)",
+    "Gustav Wengel <gustavwengel@gmail.com> (https://github.com/GeeWee)"
   ],
   "license": "MIT",
   "bugs": {