Bump version

ahartikainen · web-flow · commit ead30dbe6138 · 2021-04-21T11:55:57.000+03:00
diff --git a/pyinfraformat/__init__.py b/pyinfraformat/__init__.py
@@ -28,5 +28,5 @@ def log_to_file(filename):
     logger.handlers = [file_handler]
 
 
-__version__ = "21.3.24"
+__version__ = "21.4.21"
 __all__ = ["Holes", "from_infraformat", "to_infraformat", "print_info"]
