Bump puma from 5.6.0 to 5.6.1

Bumps puma from 5.6.0 to 5.6.1.

Release notes

Sourced from puma's releases.

5.6.1

Bugfixes

• Reverted a commit which appeared to be causing occasional blank header values (see issue #2808) (#2809)

Full Changelog: https://github.com/puma/puma/compare/v5.6.0...v5.6.1

Changelog

Sourced from puma's changelog.

5.6.1 / 2022-01-26

• Bugfixes
  • Reverted a commit which appeared to be causing occasional blank header values (#2809)

Commits

• e0753de 2.6.1
• 7008a61 Revert "Always send lowlevel_error response to client (#2731)" (#2809)
• See full diff in compare view

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