Bump spring from 2.1.1 to 4.2.1

[dependabot]

Bumps spring from 2.1.1 to 4.2.1.

Release notes

Sourced from spring's releases.

v4.0.0

What's Changed

• Stop depending on Set by @​casperisfine in rails/spring#659
• Drop support to Ruby < 2.7 and Rails < 6.0 by @​rafaelfranca in rails/spring#661
• Modernize spring binstubs and disable it in production by @​rafaelfranca in rails/spring#662

Full Changelog: rails/spring@v3.1.1...v4.0.0

3.1.1

• Fix compatibility issues with code that raises exceptions with frozen backtraces.
• Better support Ruby 3.0.

3.1.0

• Fix bug which makes rails consoles to hang at exit when multiple of them are open (#647).
• Fix support to gems.rb file.
• Ensure bundler is required when used.
• Support rails db:* tasks.
• Check that app preload was successful before sending a command.

Changelog

Sourced from spring's changelog.

4.2.1

• Added Spring.connect_timeout and Spring.boot_timeout to allow to increase timeout for larger apps.
• Spring.connect_timeout now default to 5 seconds instead of 1.

4.2.0

• Added Spring.reset_on_env to define environment variables which should cause spring to reload when they change.
• Added Spring.spawn_on_env to define environment variables that should cause spring to start a distinct server.
• Better handle a case where the server could hang.

4.1.3

• Bring back Spring::Watcher::Abstract#synchronize method to fix compatibility with spring-watcher-listen.

4.1.2

• Drop dependency on mutex_m. Avoid issues with loading the wrong version before bundler kicks in.

4.1.1

• Fix a small compatibility issue with Ruby 3.2 causing Kernel#raise to not accept a cause.

4.1.0

• Fix bug which makes commands to freeze when the Rails application is writing to STDERR.
• Fix rails db:system:change command failure issue.
• Defer digest loading.
• Add support for SPRING_QUIET environment variable.

4.0.0

• Stop requiring set before bundler can select the proper version. This could result in already defined constant warnings during boot (#659).
• Require Ruby 2.7.
• Require Rails 6.0.

3.1.1

• Fix compatibility issues with code that raises exceptions with frozen backtraces.
• Better support Ruby 3.0.

3.1.0

• Fix bug which makes rails consoles to hang at exit when multiple of them are open (#647).
• Fix support to gems.rb file.
• Ensure bundler is required when used.
• Support rails db:* tasks.
• Check that app preload was successful before sending a command.

... (truncated)

Commits

• c5987d5 Release 4.2.1
• 47ccb11 Merge pull request #712 from rails/configurable-timeouts
• d73d1db Allow to configure boot and connect timeout
• 2380451 Merge pull request #713 from rails/update-ci-matrix
• a0797de Update CI matrix
• 0029fc8 Merge pull request #711 from kpumuk/patch-1
• 58f73dc Fixed a small typo in the CHANGELOG.md
• cf107a5 Release 4.2.0
• dee2179 Merge pull request #709 from gmcgibbon/fix_ci
• fcea94c Remove incorrect version constraint
• Additional commits viewable in compare view

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