bumpversion: quote patterns

Author: MainRo

.bumpversion.toml

@@ -16,10 +16,10 @@ commit_args = ""
 
 [[tool.bumpversion.files]]
 filename = "distogram/__init__.py"
-search = __version__ = '{current_version}'
-replace = __version__ = '{new_version}'
+search = "__version__ = '{current_version}'"
+replace = "__version__ = '{new_version}'"
 
 [[tool.bumpversion.files]]
 filename = "docs/conf.py"
-search = release = '{current_version}'
-replace = release = '{new_version}'
+search = "release = '{current_version}'"
+replace = "release = '{new_version}'"