security: upgrade PyJWT library

Author: aarthy-dk

pyproject.toml

@@ -78,7 +78,7 @@ dependencies = [
     # MCP server
     "mcp[cli]==1.26.0",
     "uvicorn==0.41.0",
-    "PyJWT==2.11.0",
+    "PyJWT==2.12.0",
     "bcrypt==5.0.0",
 
     # API & OAuth server