docs: Fix Vulkan 1.1 status

Vulkan 1.1 was marked as all done for ithe drivers anv and radv, but
some extensions in this version are still "not started". This is why
there is a parsing issue in https://mesamatrix.net/#Version_Vulkan1.1
where the drivers are "done" but mesa isn't.
1 job for !5334 with fix-vulkan-parsing-error in 14 seconds (queued for 1 second)
latest detached
Status Job ID Name Coverage
  Success
passed #3163807
success

00:00:14