Describe migration for breaking change in logging

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## 0.10.0-dev
   **BREAKING CHANGES**
   - [#309](https://github.com/Datatamer/tamr-client/issues/309) Migrate `SubAttribute` to use `@dataclass(frozen=True)`. `SubAttribute.__init__` constructor replaced with the one generated by `@dataclass`. `SubAttribute`s should be constructed via the `SubAttribute.from_json` static method.
-  - [#307](https://github.com/Datatamer/tamr-client/issues/307) Logging improvements: (1) Use standard logging best practices (2) log response body for responses containing HTTP error codes.
+  - [#307](https://github.com/Datatamer/tamr-client/issues/307) Logging improvements: (1) Use standard logging best practices (2) log response body for responses containing HTTP error codes. Previous way to configure logging (via `Client.logger` and `Client.log_entry`) have been replaced. See [User Guide > Logging](https://tamr-client.readthedocs.io/en/latest/user-guide/logging.html).
 
   **BUG FIXES**
   - [#293](https://github.com/Datatamer/tamr-client/issues/293) Better handling for HTTP 204 on already up-to-date operations