Update CHANGELOG.md

Author: twishabansal

packages/toolbox-core/CHANGELOG.md

@@ -5,24 +5,12 @@
 
 ### ⚠ BREAKING CHANGES
 
-* fix auth_methods module ([#313](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/313))
+*  **toolbox-core:** fix auth_methods module ([#313](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/313))
 
 ### Bug Fixes
 
-* **deps:** update python-nonmajor ([#305](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/305)) ([1b0c666](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/1b0c666f75fa71ff37a2a46df6537ca9a62a4776))
-* **deps:** update python-nonmajor ([#312](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/312)) ([14e4284](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/14e4284a40a4372276acf659b2d5296082bb2487))
-* **deps:** update python-nonmajor ([#314](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/314)) ([81d862b](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/81d862b1ec42227d2702b34cf95ab45f526d3a15))
-* fix auth_methods module ([#313](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/313)) ([6cf6d6b](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/6cf6d6ba3cd67d7c4e18e919a10c37f34971dcf1))
-
-
-### Miscellaneous Chores
-
-* **deps:** update python-nonmajor ([#306](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/306)) ([bf4bed3](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/bf4bed37b5d304df9809e610403bbd799da61b0c))
-
-
-### Documentation
-
-* **toolbox-core:** Improve docstrings for context manager functions in sync client and auth module ([#309](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/309)) ([367a7b8](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/367a7b8f02e8a4a3b6911bd5c33ba6bc35b6aa43))
+*  **toolbox-core:** fix auth_methods module ([#313](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/313)) ([6cf6d6b](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/6cf6d6ba3cd67d7c4e18e919a10c37f34971dcf1))
+  
 
 ## [0.3.0](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-core-v0.2.1...toolbox-core-v0.3.0) (2025-07-02)