[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

repo_helper/release.py

@@ -196,7 +196,7 @@ def bump(self, new_version: Version, commit: Optional[bool], message: str) -> No
 
 			dulwich_repo = Repo(self.repo.target_repo)
 
-			if f"v{new_version_str}".encode("UTF-8") in dulwich_repo.refs.as_dict(b"refs/tags"):
+			if f"v{new_version_str}".encode() in dulwich_repo.refs.as_dict(b"refs/tags"):
 				raise abort(f"The tag 'v{new_version_str}' already exists!")
 
 			bumpversion_config = self.get_bumpversion_config(str(self.current_version), new_version_str)