Update McpServer submodule to latest commit

sharpninja · sharpninja · commit 99b383124d6e · 2026-03-16T16:38:30.000-05:00
Advanced McpServer submodule from c0320f67 to 19b4a1b4, bringing in the latest changes and improvements from the referenced repository.
diff --git a/lib/McpServer b/lib/McpServer
@@ -1 +1 @@
-Subproject commit c0320f67a40e63fd50075481487b186e8c2cae73
+Subproject commit 19b4a1b4dead11abc98e93238502126a795244cb
