mstflint: 4.17 -> 4.26
Adds support for new Nvidia NICs and bugfixes.
Also add myself as maintainer.
Most notable changes are also documented in:
https://github.com/Mellanox/mstflint/files/12317054/MSTFLINT.Package.-Firmware.Burning.and.Diagnostics.Tools.Documentation.v4.26.0.pdf
Signed-off-by: Markus Theil <theil.markus@gmail.com>