Update Dependency with `chardet>=3.0.2,<6` (#6179)

https://github.com/chardet/chardet/releases/tag/5.0.0 was released on
2022-06-25 with remove of Python 3.6 support, which also align with our
Python > 3.6 requirement.

Signed-off-by: Wong Hoi Sing Edison <hswong3i@pantarei-design.com>