deps(minor): update dependency rubocop to v1.86.0 (#130)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Gemfile.lock

@@ -4,7 +4,6 @@ GEM
     addressable (2.8.9)
       public_suffix (>= 2.0.2, < 8.0)
     ast (2.4.3)
-    bigdecimal (4.0.1)
     faraday (2.14.1)
       faraday-net_http (>= 2.0, < 3.5)
       json
@@ -14,14 +13,9 @@ GEM
     faraday-retry (2.4.0)
       faraday (~> 2.0)
     json (2.19.2)
-    json-schema (6.2.0)
-      addressable (~> 2.8)
-      bigdecimal (>= 3.1, < 5)
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
     logger (1.7.0)
-    mcp (0.9.0)
-      json-schema (>= 4.1)
     net-http (0.9.1)
       uri (>= 0.11.1)
     octokit (10.0.0)
@@ -38,11 +32,10 @@ GEM
     rake (13.3.1)
     regexp_parser (2.11.3)
     rexml (3.4.4)
-    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)