update: date-released

Author: kozistr

CITATION.cff

@@ -5,6 +5,6 @@ authors:
     given-names: Hyeongchan
     orcid: https://orcid.org/0000-0002-1729-0580
 title: "pytorch_optimizer: optimizer & lr scheduler & loss function collections in PyTorch"
-version: 2.11.0
-date-released: 2022-01-29
+version: 2.12.0
+date-released: 2021-09-21
 url: "https://github.com/kozistr/pytorch_optimizer"