microsoft/clc: increase test-timeout
The test "clc_compiler_test" is kinda nasty in packing too many things into a single test, making it awkwardly long. We should really consider splitting it up into multiple tests instead.
But right now, it's sometimes timing out on CI, which is bad, so here's a quick band-aid to prevent this from happening.
The previous timeout of two minutes seems to not always be sufficient under various loads, so let's add another minute just to be sure.
Here's an example of a failure with the current timeout:
https://gitlab.freedesktop.org/mesa/mesa/-/jobs/5918980#L1589
Fixes: ff05da7f ("microsoft: Add CLC frontend and kernel/compute support to DXIL converter")