Bump pylint-plugin-utils from 0.2.6 to 0.6 in /cvat/requirements (#1740)

Bumps [pylint-plugin-utils](https://github.com/landscapeio/pylint-plugin-utils) from 0.2.6 to 0.6.
- [Release notes](https://github.com/landscapeio/pylint-plugin-utils/releases)
- [Commits](https://github.com/landscapeio/pylint-plugin-utils/commits/0.6)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

cvat/requirements/development.txt

@@ -5,7 +5,7 @@ lazy-object-proxy==1.3.1
 mccabe==0.6.1
 pylint==2.5.3
 pylint-django==2.0.15
-pylint-plugin-utils==0.2.6
+pylint-plugin-utils==0.6
 rope==0.11
 wrapt==1.12.1
 django-extensions==2.0.6