chore(deps): bump the ruby group with 2 updates (#912)

Bumps the ruby group with 2 updates: [rubocop](https://github.com/rubocop/rubocop) and [mime-types-data](https://github.com/mime-types/mime-types-data).


Updates `rubocop` from 1.77.0 to 1.78.0
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.77.0...v1.78.0)

Updates `mime-types-data` from 3.2025.0701 to 3.2025.0708
- [Changelog](https://github.com/mime-types/mime-types-data/blob/main/CHANGELOG.md)
- [Commits](mime-types/mime-types-data@v3.2025.0701...v3.2025.0708)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-version: 1.78.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: ruby
- dependency-name: mime-types-data
  dependency-version: 3.2025.0708
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: ruby
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Gemfile

@@ -26,5 +26,5 @@ end
 gem 'wdm', '~> 0.1.1', platforms: %i[mingw x64_mingw mswin]
 
 group :development do
-  gem 'rubocop', '~> 1.77'
+  gem 'rubocop', '~> 1.78'
 end

Gemfile.lock

@@ -156,7 +156,7 @@ GEM
     mime-types (3.7.0)
       logger
       mime-types-data (~> 3.2025, >= 3.2025.0507)
-    mime-types-data (3.2025.0701)
+    mime-types-data (3.2025.0708)
     net-http (0.6.0)
       uri
     nokogiri (1.18.8-arm64-darwin)
@@ -188,7 +188,7 @@ GEM
     rouge (4.5.2)
     rss (0.3.1)
       rexml
-    rubocop (1.77.0)
+    rubocop (1.78.0)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -238,7 +238,7 @@ DEPENDENCIES
   jekyll-sitemap
   jekyll-target-blank
   just-the-docs
-  rubocop (~> 1.77)
+  rubocop (~> 1.78)
   tzinfo (~> 2.0)
   tzinfo-data
   wdm (~> 0.1.1)