radv/ci: set MESA_SPIRV_LOG_LEVEL to warning
The warning that was spamming the logs has been disabled in Mesa until
the bug is fixed in upstream glslang, so we can revert to back the log
level from error
to warning
.
Suggested-by: Emma Anholt emma@anholt.net Fixes: #6263 (closed) Signed-off-by: Martin Roukala (né Peres) martin.roukala@mupuf.org