chore(changelog): update CHANGELOG for v3.42.3

Author: nr-developer-toolkit

CHANGELOG.md

@@ -1,3 +1,8 @@
+<a name="v3.42.3"></a>
+## [v3.42.3] - 2024-08-16
+### Documentation Updates
+- **synthetics:** fixes to the deployed migration guide, referencing in other resources ([#2730](https://github.com/newrelic/terraform-provider-newrelic/issues/2730))
+
 <a name="v3.42.2"></a>
 ## [v3.42.2] - 2024-08-16
 ### Documentation Updates
@@ -2189,7 +2194,8 @@ new synthetics resources use GraphQL API schema
 ## [v0.1.1] - 2017-08-02
 <a name="v0.1.0"></a>
 ## v0.1.0 - 2017-06-21
-[Unreleased]: https://github.com/newrelic/terraform-provider-newrelic/compare/v3.42.2...HEAD
+[Unreleased]: https://github.com/newrelic/terraform-provider-newrelic/compare/v3.42.3...HEAD
+[v3.42.3]: https://github.com/newrelic/terraform-provider-newrelic/compare/v3.42.2...v3.42.3
 [v3.42.2]: https://github.com/newrelic/terraform-provider-newrelic/compare/v3.42.1...v3.42.2
 [v3.42.1]: https://github.com/newrelic/terraform-provider-newrelic/compare/v3.42.0...v3.42.1
 [v3.42.0]: https://github.com/newrelic/terraform-provider-newrelic/compare/v3.41.1...v3.42.0