update changelog

Author: alphaville

CHANGELOG.md

@@ -11,7 +11,11 @@ Note: This is the main Changelog file for the Rust solver. The Changelog file fo
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       Unreleased
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+## [v0.9.2] - Unreleased
 
+### Changed
+
+- Update version of `rand`, `ndarray`, and `modcholesky` in `Cargo.toml`
 
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       v0.9.0