Fix incompatible issue with click

Refer to https://github.com/psf/black/issues/2964

, this error can be fixed by picking `click` to 8.0.4.

Signed-off-by: TatWai Chong <tatwai.chong@arm.com>
Change-Id: If3970e0cd31f2190cacb741530cb38a31c943938