Bump flake8-tidy-imports from 4.2.1 to 4.3.0

Bumps [flake8-tidy-imports](https://github.com/adamchainz/flake8-tidy-imports) from 4.2.1 to 4.3.0.
- [Release notes](https://github.com/adamchainz/flake8-tidy-imports/releases)
- [Changelog](https://github.com/adamchainz/flake8-tidy-imports/blob/main/HISTORY.rst)
- [Commits](https://github.com/adamchainz/flake8-tidy-imports/compare/4.2.1...4.3.0)

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

requirements-dev.txt

@@ -6,7 +6,7 @@
 coveralls==3.0.1
 flake8==3.9.2
 flake8-type-annotations==0.1.0
-flake8-tidy-imports==4.2.1
+flake8-tidy-imports==4.3.0
 mypy==0.812
 pytest==6.2.4
 pytest-asyncio==0.15.1