Bump colorlog from 4.4.0 to 4.6.2 (#1367)

Bumps [colorlog](https://github.com/borntyping/python-colorlog) from 4.4.0 to 4.6.2.
- [Release notes](https://github.com/borntyping/python-colorlog/releases)
- [Commits](https://github.com/borntyping/python-colorlog/compare/v4.4.0...v4.6.2)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -1,7 +1,7 @@
 voluptuous==0.12.0
 PyYAML==5.3.1
 paho-mqtt==1.5.1
-colorlog==4.4.0
+colorlog==4.6.2
 tornado==6.0.4
 protobuf==3.13.0
 tzlocal==2.1