Update puma requirement to ~> 3.12

[dependabot-preview]

Updates the requirements on puma to permit the latest version.

Changelog

Sourced from puma's changelog.

3.12.0 / 2018-07-13

• 5 features:

  • You can now specify which SSL ciphers the server should support, default is unchanged (#1478)
  • The setting for Puma's max_threads is now in Puma.stats (#1604)
  • Pool capacity is now in Puma.stats (#1579)
  • Installs restricted to Ruby 2.2+ (#1506)
  • --control is now deprecated in favor of --control-url (#1487)

• 2 bugfixes:

  • Workers will no longer accept more web requests than they have capacity to process. This prevents an issue where one worker would accept lots of requests while starving other workers (#1563)
  • In a test env puma now emits the stack on an exception (#1557)

3.11.4 / 2018-04-12

• 2 features:
  • Manage puma as a service using rc.d (#1529)
  • Server stats are now available from a top level method (#1532)
• 5 bugfixes:
  • Fix parsing CLI options (#1482)
  • Order of stderr and stdout is made before redirecting to a log file (#1511)
  • Init.d fix of ps -p to check if pid exists (#1545)
  • Early hints bugfix (#1550)
  • Purge interrupt queue when closing socket fails (#1553)

3.11.3 / 2018-03-05

• 3 bugfixes:
  • Add closed? to MiniSSL::Socket for use in reactor (#1510)
  • Handle EOFError at the toplevel of the server threads (#1524) (#1507)
  • Deal with zero sized bodies when using SSL (#1483)

3.11.2 / 2018-01-19

• 1 bugfix:
  • Deal with read_nonblock returning nil early

3.11.1 / 2018-01-18

• 1 bugfix:
  • Handle read_nonblock returning nil when the socket close (#1502)

3.11.0 / 2017-11-20

• 2 features:

  • HTTP 103 Early Hints (#1403)
  • 421/451 status codes now have correct status messages attached (#1435)

• 9 bugfixes:

  • Environment config files (/config/puma/.rb) load correctly (#1340)

... (truncated)

Commits

• See full diff in compare view

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