chore: bump mcp version to 1.12.3

Author: xiaoyijun

pyproject.toml

@@ -30,7 +30,7 @@ documentation = "https://mcp-auth.dev/docs"
 [dependency-groups]
 dev = [
   "black>=24.8.0",
-  "mcp[cli]>=1.7.1",
+  "mcp[cli]>=1.12.3",
   "pytest>=8.3.5",
   "pytest-asyncio>=0.26.0",
   "pytest-cov>=6.1.1",