Bump version to 2.5.0

[Darhazer]

We haven't had a release for the past 3 months

2.5.0 (2021-09-21)

• Declare autocorrect as unsafe for ExpectChange. ([@francois-ferrandis][])
• Fix each example for RSpec/HookArgument. ([@lokhi][])
• Exclude unrelated Rails directories from RSpec/DescribeClass. ([@MothOnMars][])
• Add RSpec/ExcessiveDocstringSpacing cop. ([@G-Rath][])
• Add RSpec/SubjectDeclaration cop. ([@dswij][])
• Fix excessive whitespace removal in RSpec/EmptyHook autocorrection. ([@pirj][])
• Bump RuboCop requirement to v1.19.0. ([@pirj][])
• Fix false positive in RSpec/IteratedExpectation when there is single, non-expectation statement in the block body. ([@Darhazer][])

[pirj]

Looks good, thanks!

[jcmfernandes]

Thank you @Darhazer! 🎉 😄