sc: add Tobin to SC for NVIDIA

NVIDIA has been a major contributor to Confidential Containers and more
contributions are coming.

As such, let's expand the NVIDIA representation on the SC to two seats.

Signed-off-by: Tobin Feldman-Fitzthum <tfeldmanfitz@nvidia.com>

MAINTAINERS

@@ -7,11 +7,11 @@ bpradipt, Pradipta Banerjee, Redhat
 peterzcst, Peter Zhu, Intel
 mythi, Mikko Ylinen, Intel
 magowan, James Magowan, IBM
-fitzthum, Tobin Feldman-Fitzthum, IBM
 jiazhang0, Zhang Jia, Alibaba
 jiangliu, Jiang Liu, Alibaba
 ryansavino, Ryan Savino, AMD
 sameo, Samuel Ortiz, Rivos
 zvonkok, Zvonko Kaiser, NVIDIA
+fitzthum, Tobin Feldman-Fitzthum, NVIDIA
 vbatts, Vincent Batts, Microsoft
 danmihai1, Dan Mihai, Microsoft

governance.md

@@ -91,14 +91,13 @@ The current members of the SC are:
 * Peter Zhu (@peterzcst) and Mikko Ylinen (@mythi) - Intel
 * Pradipta Banerjee (@bpradipt)  and Ariel Adam (@ariel-adam) - Red Hat
 * Samuel Ortiz (@sameo) - Rivos
-* Zvonko Kaiser (@zvonkok) - NVIDIA
+* Zvonko Kaiser (@zvonkok) and Tobin Feldman-Fitzthum (@fitzthum) - NVIDIA
 * Vincent Batts (@vbatts) and Dan Mihai (@danmihai1) - Microsoft
 
 ### Emeritus Members
 
 * Dan Middleton [dcmiddle](https://github.com/dcmiddle) (he/him)
 * Larry Dewey (@larrydewey) - AMD
-* Tobin Feldman-Fitzthum (@fitzthum) - IBM
 
 #### Selection