bump manager version to 4.1b4 (Comfy-Org#12930)

ltdrdata · web-flow · commit e1f10ca0932f · 2026-03-13T20:14:27.000-04:00
diff --git a/manager_requirements.txt b/manager_requirements.txt
@@ -1 +1 @@
-comfyui_manager==4.1b2
+comfyui_manager==4.1b4
