[bot][skip ci] Update Metadata

Author: Github Actions

CHANGELOG.md

@@ -1,3 +1,7 @@
+## v2.6.6
+
+No significant changes detected since v2.6.6.
+
 ## v2.6.6 (patch)
 
 Changes since v2.6.5:

LATEST_CHANGELOG.md

@@ -1,8 +1,4 @@
-## v2.6.6 (patch)
+## v2.6.6
 
-Changes since v2.6.5:
-
-- Cover AsinPi, AcosPi and TanPi on their rounding paths ([@Claude](https://github.com/Claude))
-- Round exact quotients of approximations to the requested digits [patch] ([@Claude](https://github.com/Claude))
-- Widen ln 2 by x's integer digits in Exp2 [patch] ([@Claude](https://github.com/Claude))
+No significant changes detected since v2.6.6.