Bump rubocop-rails from 2.15.2 to 2.25.0

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.15.2 to 2.25.0.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.15.2...v2.25.0)

---
updated-dependencies:
- dependency-name: rubocop-rails
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -89,13 +89,13 @@ GEM
  attr_encrypted (4.0.0)
  encryptor (~> 3.0.0)
  base64 (0.2.0)
- bigdecimal (3.1.7)
+ bigdecimal (3.1.8)
  bindex (0.8.1)
  brakeman (6.1.2)
  racc
  builder (3.2.4)
  byebug (11.1.3)
- concurrent-ruby (1.2.3)
+ concurrent-ruby (1.3.1)
  connection_pool (2.4.1)
  crack (1.0.0)
  bigdecimal
@@ -149,7 +149,7 @@ GEM
  globalid (1.2.1)
  activesupport (>= 6.1)
  hashdiff (1.1.0)
- i18n (1.14.4)
+ i18n (1.14.5)
  concurrent-ruby (~> 1.0)
  io-console (0.7.2)
  irb (1.12.0)
@@ -186,7 +186,7 @@ GEM
  marcel (1.0.4)
  mini_mime (1.1.5)
  mini_portile2 (2.8.6)
- minitest (5.22.3)
+ minitest (5.23.1)
  multipart-post (2.4.0)
  mutex_m (0.2.0)
  net-imap (0.4.10)
@@ -214,7 +214,7 @@ GEM
  puma (6.4.2)
  nio4r (~> 2.0)
  racc (1.8.0)
- rack (3.0.10)
+ rack (3.0.11)
  rack-session (2.0.0)
  rack (>= 3.0.0)
  rack-test (2.1.0)
@@ -299,10 +299,11 @@ GEM
  rubocop-performance (1.19.1)
  rubocop (>= 1.7.0, < 2.0)
  rubocop-ast (>= 0.4.0)
- rubocop-rails (2.15.2)
+ rubocop-rails (2.25.0)
  activesupport (>= 4.2.0)
  rack (>= 1.1)
- rubocop (>= 1.7.0, < 2.0)
+ rubocop (>= 1.33.0, < 2.0)
+ rubocop-ast (>= 1.31.1, < 2.0)
  ruby-progressbar (1.13.0)
  ruby2_keywords (0.0.5)
  sassc (2.4.0)