[bot][skip ci] Update Metadata

Author: Github Actions

CHANGELOG.md

@@ -1,3 +1,7 @@
+## v2.6.8
+
+No significant changes detected since v2.6.8.
+
 ## v2.6.8 (patch)
 
 Changes since v2.6.7:

LATEST_CHANGELOG.md

@@ -1,8 +1,4 @@
-## v2.6.8 (patch)
+## v2.6.8
 
-Changes since v2.6.7:
-
-- Root the reciprocal in integers for a negative-degree RootN [patch] ([@Claude](https://github.com/Claude))
-- Check Tan's precision ceiling against the requested digits [patch] ([@Claude](https://github.com/Claude))
-- Clamp default trig precision to what the reduction can deliver [patch] ([@Claude](https://github.com/Claude))
+No significant changes detected since v2.6.8.