[v1.0] Bump org.jacoco:org.jacoco.ant from 0.8.11 to 0.8.12

[janusgraph-automations]

Backport

This will backport the following commits from master to v1.0:

• Bump org.jacoco:org.jacoco.ant from 0.8.11 to 0.8.12

Questions ?

Please refer to the Backport tool documentation