Update minitest requirement from ~> 5.13.0 to ~> 5.14.2

[dependabot-preview]

Updates the requirements on minitest to permit the latest version.

Changelog

Sourced from minitest's changelog.

=== 5.14.2 / 2020-08-31

• 1 bug fix:

  • Bumped ruby version to include 3.0 (trunk).

=== 5.14.1 / 2020-05-15

• 3 minor enhancements:

  • Minitest.filter_backtrace returns original backtrace if filter comes back empty.
  • Minitest::BacktraceFilter now returns entire backtrace if $MT_DEBUG set in env.
  • Return true on a successful refute. (jusleg)

• 1 bug fix:

  • Fixed expectation doco to not use global expectations.

=== 5.14.0 / 2020-01-11

• 2 minor enhancements:

  • Block-assertions (eg assert_output) now error if raised inside the block. (casperisfine)
  • Changed assert_raises to only catch Assertion since that covers Skip and friends.

• 3 bug fixes:

  • Added example for value wrapper with block to Expectations module. (stomar)
  • Fixed use of must/wont_be_within_delta on Expectation instance. (stomar)
  • Renamed UnexpectedError#exception to #error to avoid problems with reraising. (casperisfine)

=== 5.13.0 / 2019-10-29

• 9 minor enhancements:

  • Added Minitest::Guard#osx?
  • Added examples to documentation for assert_raises. (lxxxvi)
  • Added expectations #path_must_exist and #path_wont_exist. Not thrilled with the names.
  • Added fail_after(year, month, day, msg) to allow time-bombing after a deadline.
  • Added skip_until(year, month, day, msg) to allow deferring until a deadline.
  • Deprecated Minitest::Guard#maglev?
  • Deprecated Minitest::Guard#rubinius?
  • Finally added assert_path_exists and refute_path_exists. (deivid-rodriguez)
  • Refactored and pulled Assertions#things_to_diff out of #diff. (BurdetteLamar)

• 3 bug fixes:

  • Fix autorun bug that affects fork exit status in tests. (dylanahsmith/jhawthorn)
  • Improved documentation for _/value/expect, especially for blocks. (svoop)
  • Support new Proc#to_s format. (ko1)

Commits

• dc6ad17 prepped for release
• 9713c55 - Bumped ruby version to include 3.0 (trunk).
• acbcece whitespace
• 0e6c44a I am an idiot... fixed a last-day-of-month testing bug. I don't think I've do...
• 32d49db prepped for release
• 65664a1 + Minitest.filter_backtrace returns original backtrace if filter comes back e...
• 6257210 Refactored positive spec tests w/ a custom assertion.
• 21d9e80 + Return true on a successful refute. (jusleg)
• b670f16 Updated rake specs for latest assertions.
• 7b01f94 - Fixed expectation doco to not use global expectations.
• Additional commits viewable in compare view

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