Bump up to version number 0.4.0

nabenabe0928 · nabenabe0928 · commit 28bcb7ea7842 · 2025-10-30T06:54:04.000+01:00
diff --git a/optunahub/version.py b/optunahub/version.py
@@ -1 +1 @@
-__version__ = "0.4.0.dev"
+__version__ = "0.4.0"
