Bump maven compiler 3.12.1

[shivarm]

See feature-https://github.com/apache/maven-compiler-plugin/releases/tag/maven-compiler-plugin-3.12.0

Check List (Check all the applicable boxes)

• My code follows the code style of this project.
• My change requires changes to the documentation.
• I have updated the documentation accordingly.
• All new and existing tests passed.

[johnaohara]

Merged,

Thanks for your contribution!