Update toolsetup.bat and Tests/PythonTest.py to check if we're running a
version of Python that's compatible with BaseTools and the Pip
BaseTools.
BaseTools uses syntax from Python 3.6 or newer, so set that as the minimum
version EDK2 requires.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>