Update TfromNTC steinhart-hart coefficients
The current ones in the script might not be from the DCS NTC used for ITkPix v1.1 quads. The correct ones generated from this datasheet (part number B57230V2103F260, 8509) using Kehang's script are these
[8.76745581e-04 2.53169819e-04 1.86485152e-07]