Add #76 to CHANGELOG

Author: aaron-lane

CHANGELOG.md

@@ -7,6 +7,11 @@ project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+### Added
+
+- The `public_ip_address`, `private_ip_address`, and `instance_address` outputs to the `mysql` submodule, the `postgresql` 
+  submodule, and the `safer_mysql` submodule. [#76]
+
 ## [3.0.0] - 2019-12-13
 
 ### Removed
@@ -59,6 +64,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 [1.0.1]: https://github.com/terraform-google-modules/terraform-google-sql-db/compare/1.0.0...1.0.1
 [1.0.0]: https://github.com/terraform-google-modules/terraform-google-sql-db/releases/tag/1.0.0
 
+[#76]: https://github.com/terraform-google-modules/terraform-google-sql-db/pull/76
 [#61]: https://github.com/terraform-google-modules/terraform-google-sql-db/pull/61
 [#56]: https://github.com/terraform-google-modules/terraform-google-sql-db/pull/56
 [#53]: https://github.com/terraform-google-modules/terraform-google-sql-db/pull/53