Update dependency rubocop-rspec to v2.26.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rubocop-rspec (changelog)	'2.26.0' -> '2.26.1'

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Release Notes

rubocop/rubocop-rspec (rubocop-rspec)

v2.26.1

Compare Source

• Fix an error for RSpec/SharedExamples when using examples without argument. ([@​ydah])

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[yegor256]

@rultor please, try to merge, since 6 checks have passed

[rultor]

@rultor please, try to merge, since 6 checks have passed

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor please, try to merge, since 6 checks have passed

@yegor256 Done! FYI, the full log is here (took me 3min)