Bump spring from 3.1.1 to 4.0.0

Bumps [spring](https://github.com/rails/spring) from 3.1.1 to 4.0.0.
- [Release notes](https://github.com/rails/spring/releases)
- [Changelog](https://github.com/rails/spring/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rails/spring/compare/v3.1.1...v4.0.0)

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

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

Gemfile

@@ -37,7 +37,7 @@ gem 'mysql2', '~> 0.5.4', group: :mysql
 gem 'pg', '~> 1.4.3', group: :postgresql
 
 group :development do
-  gem 'spring', '~> 3'
+  gem 'spring', '~> 4'
   gem 'yard'
 
   gem 'tolk', '~> 4.3.0'

Gemfile.lock

@@ -284,7 +284,7 @@ GEM
       thor (~> 1.0)
       tilt (~> 2.0)
       yard (~> 0.9, >= 0.9.24)
-    spring (3.1.1)
+    spring (4.0.0)
     sprockets (4.1.1)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -365,7 +365,7 @@ DEPENDENCIES
   sassc-rails (~> 2.1.2)
   simplecov
   solargraph
-  spring (~> 3)
+  spring (~> 4)
   sqlite3
   therubyracer
   tolk (~> 4.3.0)