Bump sprockets from 4.0.3 to 4.2.0

Bumps [sprockets](https://github.com/rails/sprockets) from 4.0.3 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@v4.0.3...v4.2.0)

---
updated-dependencies:
- dependency-name: sprockets
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile

@@ -107,7 +107,7 @@ gem "clockwork"
 gem "mini_racer", "~> 0.6.3"
 gem "nokogiri", ">= 1.10.4"
 gem "image_processing"
-gem "sprockets", "~> 4.0.0"
+gem "sprockets", "~> 4.2.0"
 
 group :production do
   # Reduce the noise of logs and include custom fields to it for easier access

Gemfile.lock

@@ -553,9 +553,9 @@ GEM
     snaky_hash (2.0.0)
       hashie
       version_gem (~> 1.1)
-    sprockets (4.0.3)
+    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)
@@ -691,7 +691,7 @@ DEPENDENCIES
   simple_form
   simplecov
   skylight
-  sprockets (~> 4.0.0)
+  sprockets (~> 4.2.0)
   standard (~> 1.25)
   stimulus-rails
   strong_migrations (= 1.4.4)