Bump pylint from 2.14.5 to 2.15.0

[dependabot[bot]]

Bumps pylint from 2.14.5 to 2.15.0.

Commits

• 24eaec2 Bump pylint to 2.15.0, update changelog (#7355)
• bb0df4a Update tox.ini (#7358)
• 1582e37 [literal-comparison] Cleanup of identical/duplicated functional tests
• 19b4fda [literal-comparison] Make the message explicit with the solution
• d200f81 Upgrade astroid version following 2.12.4 release (#7356)
• 32116ae Add tests for PyCQA#5767
• bf8281c Bump TODOs to the next minor version in preparation of release (#7349)
• af810ab Revert "[test] Temporary xfail deprecated methods py36 on pypy (#7244)" (#7345)
• dcd2b17 Upgrade astroid version following 2.12.3 release (#7344)
• c18c9a7 [pre-commit.ci] pre-commit autoupdate
• Additional commits viewable in compare view

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