bump version v0.4.0 -> v0.4.1

pitch_detectors/__init__.py

-__version__ = '0.4.0'
+__version__ = '0.4.1'

pyproject.toml

 [project]
 name = "pitch-detectors"
-version = "0.4.0"
+version = "0.4.1"
 authors = [
     {name = "Alexander Rodionov", email = "tandav@tandav.me"},
 ]
@@ -66,7 +66,7 @@ exclude = ["data*"]
 # ==============================================================================
 
 [tool.bumpver]
-current_version = "v0.4.0"
+current_version = "v0.4.1"
 version_pattern = "vMAJOR.MINOR.PATCH"
 commit_message = "bump version {old_version} -> {new_version}"
 commit = true