chore(changelog): Update models to latest [ci-skip] (#4127)

* chore(changelog): Update models to latest [ci-skip]

* update changelog.md

* Update changelog [skip ci]

* Update CHANGELOG.md

Co-authored-by: Harshdeep Singh <6162866+harsh62@users.noreply.github.com>

Author: awsmobilesdk

CHANGELOG.md

@@ -7,10 +7,11 @@
 - **AWSS3**
 
   - fix: adds details to userInfo for NSError for TransferUtility (See [PR #4115](https://github.com/aws-amplify/aws-sdk-ios/pull/4115))
+  - fix: Reduces memory use for multipart uploads with `@autoreleasepool` to prevent excessive memory allocation (See [PR #4129](https://github.com/aws-amplify/aws-sdk-ios/pull/4129))
 
-
-   - fix: Reduces memory use for multipart uploads with `@autoreleasepool` to prevent excessive memory allocation (See [PR #4129](https://github.com/aws-amplify/aws-sdk-ios/pull/4129))
-
+- Model updates for the following services
+  - **Breaking Changes** AWSLocation
+  - AWSEC2 
 
 ## 2.27.8