mesa jenkins updates due to mesa=754eff07d22

https://bugs.freedesktop.org/show_bug.cgi?id=109204 as per jekstrand on IRC:

janesma, craftyguy: You're about to start seeing a pile of dEQP-VK.spirv_assembly.instruction.compute.variable_pointers.complex_types_compute.\* tests fail in CI. It's expected. They're all test bugs and the tests have been fixed upstream, just not whatever branch CI is targetting.