chore(deps-dev): bump rubocop from 1.85.1 to 1.86.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.85.1 to 1.86.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.85.1...v1.86.0)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-version: 1.86.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -79,10 +79,7 @@ GEM
     i18n (1.14.8)
       concurrent-ruby (~> 1.0)
     io-console (0.8.2)
-    json (2.19.1)
-    json-schema (6.2.0)
-      addressable (~> 2.8)
-      bigdecimal (>= 3.1, < 5)
+    json (2.19.2)
     jwt (2.10.2)
       base64
     language_server-protocol (3.17.0.5)
@@ -93,8 +90,6 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.7.0)
     lumberjack (1.4.2)
-    mcp (0.8.0)
-      json-schema (>= 4.1)
     method_source (1.1.0)
     mime-types (3.7.0)
       logger
@@ -151,11 +146,10 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.7)
-    rubocop (1.85.1)
+    rubocop (1.86.0)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
-      mcp (~> 0.6)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)