chore(deps-dev): bump mcp from 0.8.0 to 0.9.2

Bumps [mcp](https://github.com/modelcontextprotocol/ruby-sdk) from 0.8.0 to 0.9.2.
- [Release notes](https://github.com/modelcontextprotocol/ruby-sdk/releases)
- [Changelog](https://github.com/modelcontextprotocol/ruby-sdk/blob/main/CHANGELOG.md)
- [Commits](modelcontextprotocol/ruby-sdk@v0.8.0...v0.9.2)

---
updated-dependencies:
- dependency-name: mcp
  dependency-version: 0.9.2
  dependency-type: indirect
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -28,7 +28,7 @@ GEM
       public_suffix (>= 2.0.2, < 8.0)
     ast (2.4.3)
     base64 (0.3.0)
-    bigdecimal (4.0.1)
+    bigdecimal (4.1.0)
     coderay (1.1.3)
     concurrent-ruby (1.3.6)
     connection_pool (3.0.2)
@@ -93,7 +93,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.7.0)
     lumberjack (1.4.2)
-    mcp (0.8.0)
+    mcp (0.9.2)
       json-schema (>= 4.1)
     method_source (1.1.0)
     mime-types (3.7.0)