development-dependency: bump rspec-rails from 4.1.0 to 5.0.0

Bumps rspec-rails from 4.1.0 to 5.0.0.

Changelog

Sourced from rspec-rails's changelog.

5.0.0 / 2021-03-09

Full Changelog

Enhancements:

• Support new #file_fixture_path and new fixture test support code. (Jon Rowe, #2398)
• Support for Rails 6.1. (Benoit Tigeot, Jon Rowe, Phil Pirozhkov, and more #2398)

Breaking Changes:

• Drop support for Rails below 5.2.

4.1.1 / 2021-03-09

Bug Fixes:

• Remove generated specs when destroying a generated controller. (@​Naokimi, #2475)

Commits

• 9b5ddec v5.0.0
• b64d4ae v4.1.1
• a7913ba Changelog for #2475
• 887fc5f Merge pull request #2475 from Naokimi/main
• f249b48 Merge pull request #2476 from rspec/prep-version-5
• 1543e02 Docs for version 5.0.0
• 710e997 added test
• 686bf84 Remove support for < 5.2
• 77e073a Truncate builds to 5.2+
• 7efc47d Limit Rails to 5.2 and above
• Additional commits viewable in compare view

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