Update pry-byebug requirement from ~> 3.7.0 to ~> 3.8.0

[dependabot-preview]

Updates the requirements on pry-byebug to permit the latest version.

Release notes

Sourced from pry-byebug's releases.

3.8.0

Fixed

• Use Binding#source_location instead of evaluating __FILE__ to avoid warnings on Ruby 2.7 and on Ruby 2.6 in verbose mode (#221).

Removed

• Support for Ruby 2.3. Pry-byebug no longer installs on this platform.

Changelog

Sourced from pry-byebug's changelog.

3.8.0 (2020-01-22)

Fixed

• Use Binding#source_location instead of evaluating __FILE__ to avoid warnings on Ruby 2.7 and on Ruby 2.6 in verbose mode (#221).

Removed

• Support for Ruby 2.3. Pry-byebug no longer installs on this platform.

Commits

• f8cddd5 Merge pull request #260 from deivid-rodriguez/release/3.8.0
• d1cfb5e Get ready for 3.8.0 release
• 5ad8b6d Add missing changelog entry
• 1bac1d1 Tweak changelog entries style
• abe9152 Fix ruby version reference in changelog
• f1ff37f Fix flaky test failure (#261)
• 48a3cef Bump byebug from 11.0.1 to 11.1.0 (#259)
• 032f6e0 Bump minitest from 5.13.0 to 5.14.0 (#256)
• 6bc00fb Bump mdl from 0.5.0 to 0.8.0 (#257)
• b872c6f Drop ruby 2.3 support (#255)
• Additional commits viewable in compare view

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