fix date format for 3.46.0.6

Author: valenad1

Changes.md

@@ -14,7 +14,7 @@ Download at: <a href='http://h2o-release.s3.amazonaws.com/h2o/rel-3.46.0/7/index
 #### Security
 - [[#16472]](https://github.com/h2oai/h2o-3/issues/16472), [[#16480]](https://github.com/h2oai/h2o-3/issues/16480) - Upgrade mina-core to fix CVE-2024-52046
 
-### 3.46.0.6 - 11/1/2024
+### 3.46.0.6 - 1/11/2024
 
 Download at: <a href='http://h2o-release.s3.amazonaws.com/h2o/rel-3.46.0/6/index.html'>http://h2o-release.s3.amazonaws.com/h2o/rel-3.46.0/6/index.html</a>