Bump gradle-core from 3.1 to 6.0 in /meecrowave-gradle-plugin

Bumps gradle-core from 3.1 to 6.0.

---
updated-dependencies:
- dependency-name: org.gradle:gradle-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
1 file changed