Update SPIRV-Cross


[ChangeLog][Third-Party Code] SPIRV-Cross has been updated to current
HEAD.

Change-Id: I2d6d476dfd450425d4d54a68bab8893a86dbd122
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
commit2a8c7f027d91f52108200c02b3b4bb63dea32dd1
parentfc7984912c2ef9476546257ec8878a81f49044bc
authorLaszlo Agocs <laszlo.agocs@qt.io>
committerLaszlo Agocs <laszlo.agocs@qt.io>
commit timeThu, 17 Sep 2026 16:50:23 +0000