Cut 0.0.12 release.

PiperOrigin-RevId: 611093113

Author: tomhennigan

haiku/__init__.py

@@ -144,7 +144,7 @@
 from haiku._src.typing import SupportsCall
 from haiku._src.utils import get_channel_index
 
-__version__ = "0.0.12.dev"
+__version__ = "0.0.12"
 
 __all__ = (
     "AvgPool",