Update Changelog for Release [skip ci]

Author: actions-user

CHANGELOG.md

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+## Version: [v1.1.1](https://github.com/newrelic-experimental/newrelic-java-spring-cloud/releases/tag/v1.1.1) | Created: 2024-12-18
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 ## Version: [v1.1.0](https://github.com/newrelic-experimental/newrelic-java-spring-cloud/releases/tag/v1.1.0) | Created: 2024-01-31
 ### Features
 - Added enhancement for additional methods and reporting external services