ci: Use mold for x86-64 and AArch64 builds
mold is a fancy new linker that's really fast.
Closes: #6877 (closed) Signed-off-by: Daniel Stone daniels@collabora.com
mold is a fancy new linker that's really fast.
Closes: #6877 (closed) Signed-off-by: Daniel Stone daniels@collabora.com