Bump maven-enforcer-plugin from 3.0.0-M1 to 3.0.0-M3
Bump maven-enforcer-plugin from 3.0.0-M1 to 3.0.0-M3

Bumps [maven-enforcer-plugin](https://github.com/apache/maven-enforcer) from 3.0.0-M1 to 3.0.0-M3.
- [Release notes](https://github.com/apache/maven-enforcer/releases)
- [Commits](https://github.com/apache/maven-enforcer/compare/enforcer-3.0.0-M1...enforcer-3.0.0-M3)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
paulcwarren/spring-content,paulcwarren/spring-content,paulcwarren/spring-content