docs: link JSON Pointer changelog entry to PR #2368

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Author: YaoxinHuang

CHANGELOG.md

@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-- fix(grammar): decode JSON Pointer escapes in schema references by @YaoxinHuang
+- fix(grammar): decode JSON Pointer escapes in schema references by @YaoxinHuang in #2368
 - feat: update llama.cpp to ggml-org/llama.cpp@v0.4.0
 
 ## [0.3.35]