Change request version for grunt-ts to ~4.1.0
Change request version for grunt-ts to ~4.1.0

We are having issues with typescript version changes in minor version
bumps.

dhkong88/uproxy,qida/uproxy,uProxy/uproxy,chinarustin/uproxy,roceys/uproxy,MinFu/uproxy,uProxy/uproxy,qida/uproxy,uProxy/uproxy,jpevarnek/uproxy,jpevarnek/uproxy,MinFu/uproxy,IveWong/uproxy,uProxy/uproxy,chinarustin/uproxy,itplanes/uproxy,jpevarnek/uproxy,itplanes/uproxy,MinFu/uproxy,dhkong88/uproxy,itplanes/uproxy,dhkong88/uproxy,roceys/uproxy,MinFu/uproxy,jpevarnek/uproxy,chinarustin/uproxy,IveWong/uproxy,roceys/uproxy,dhkong88/uproxy,roceys/uproxy,roceys/uproxy,qida/uproxy,qida/uproxy,itplanes/uproxy,itplanes/uproxy,chinarustin/uproxy,uProxy/uproxy,IveWong/uproxy,dhkong88/uproxy,qida/uproxy,jpevarnek/uproxy,IveWong/uproxy,chinarustin/uproxy,MinFu/uproxy