update changelog

Author: github-actions[bot]

docs/changelog/changelog.mdx

@@ -4,6 +4,11 @@ icon: "clock"
 iconType: "solid"
 ---
 
+<Update label="v0.52.15" description="March 20, 2025">
+### [fixes token limit inversion bug.](https://github.com/codegen-sh/codegen-sdk/releases/tag/v0.52.15)
+- Fix token limit inversion bug
+</Update>
+
 <Update label="v0.52.14" description="March 19, 2025">
 ### [Fixes a maximum observation length error.](https://github.com/codegen-sh/codegen-sdk/releases/tag/v0.52.14)
 - Fix maximum observation length error