Bump sprockets from 3.7.2 to 4.2.0

Bumps [sprockets](https://github.com/rails/sprockets) from 3.7.2 to 4.2.0.
- [Release notes](https://github.com/rails/sprockets/releases)
- [Changelog](https://github.com/rails/sprockets/blob/main/CHANGELOG.md)
- [Commits](rails/sprockets@v3.7.2...v4.2.0)

---
updated-dependencies:
- dependency-name: sprockets
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile

@@ -74,7 +74,7 @@ group :development, :test do
  gem 'rubocop-rails'
  gem 'rubocop-rspec'
  gem 'spring', '~>2.1.1' # remove constraint once on or past rails 5.2
- gem 'sprockets', '~>3.7'
+ gem 'sprockets', '~>4.2'
  gem 'ten_years_rails'
 end
 

Gemfile.lock

@@ -96,7 +96,7 @@ GEM
  case_transform (0.2)
  activesupport
  coderay (1.1.3)
- concurrent-ruby (1.1.10)
+ concurrent-ruby (1.2.0)
  congestion (0.1.0)
  connection_pool (>= 2.0)
  redis (>= 3.1)
@@ -441,9 +441,9 @@ GEM
  spring (2.1.1)
  spring-commands-rspec (1.0.4)
  spring (>= 0.9.1)
- sprockets (3.7.2)
+ sprockets (4.2.0)
  concurrent-ruby (~> 1.0)
- rack (> 1, < 3)
+ rack (>= 2.2.4, < 4)
  sprockets-rails (3.4.2)
  actionpack (>= 5.2)
  activesupport (>= 5.2)
@@ -548,7 +548,7 @@ DEPENDENCIES
  sidekiq-unique-jobs
  spring (~> 2.1.1)
  spring-commands-rspec
- sprockets (~> 3.7)
+ sprockets (~> 4.2)
  standby
  stringex (~> 2.8)
  strong_migrations