Bump cobertura-maven-plugin from 2.4 to 2.7
Bump cobertura-maven-plugin from 2.4 to 2.7

Bumps cobertura-maven-plugin from 2.4 to 2.7.

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:cobertura-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
jenkinsci/rebuild-plugin,jenkinsci/rebuild-plugin