Update CHANGELOG.md

Co-authored-by: Brandon Croft <[email protected]>

Author: sebasslash

CHANGELOG.md

@@ -5,7 +5,7 @@
 # v1.39.1
 
 ## Bug Fixes
-* Upgrades `go-retryablehttp` dependency to `v0.7.5` which address several bugs, see [changelog](https://github.com/hashicorp/go-retryablehttp/blob/v0.7.5/CHANGELOG.md).
+* fixes an issue where the request body is not preserved during certain retry scenarios
 
 # v1.39.0