Update changelog for Cargo self-dependency fix

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Co-Authored-By: Claude <noreply@anthropic.com>

Author: ryanlink

Changelog.md

@@ -1,5 +1,9 @@
 # FOSSA CLI Changelog
 
+## Unreleased
+
+- cargo: Fix Cargo analyzer incorrectly reporting library projects as dependencies of themselves when they have no external dependencies ([#1569](https://github.com/fossas/fossa-cli/pull/1569))
+
 ## 3.10.10
 
 - go: support the `tool` directive introduced in go Feb 2025 ([#1553](https://github.com/fossas/fossa-cli/pull/1553))