Update stacklok/toolhive to v0.40.1

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/upstream-projects.yaml

@@ -44,7 +44,7 @@ projects:
 
   - id: toolhive
     repo: stacklok/toolhive
-    version: v0.40.0
+    version: v0.40.1
     # toolhive is a monorepo covering the CLI, the Kubernetes
     # operator, and the vMCP gateway. It also introduces cross-
     # cutting features that land in concepts/, integrations/,