caches: tweak the Windows toolchain build #59116
Merged
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Update the toolchain configuration to disable the python home embedding.
This should allow us to be more freestanding of the python location and
give us better control of the python library being used.
Backport a change from main which removes the embedded
PYTHON_HOME
from LLDB as we are currently embedding information about the build host rather than the target into the final binary. This is required to make LLDB usable for debugging.