fix(deps): update dependency io.modelcontextprotocol:kotlin-sdk to v0.12.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -24,7 +24,7 @@ sweetSpi = "0.1.3"
 kodein = "7.31.0"
 
 koog = "0.8.0"
-mcp = "0.11.0"
+mcp = "0.12.0"
 kotlinxSchema = "0.5.0"
 uriKmp = "0.0.21"
 kim = "0.28.0"