Warning about RELEASE_7

[FireBurn]

OpenAM/openam-tools/openam-build-tools/src/main/java/org/forgerock/openam/upgrade/apt/UpgradeStepProcessor.java

Line 48 in da05a2f

@SupportedSourceVersion(SourceVersion.RELEASE_7)

I'm seeing this when building from source:

[WARNING] diagnostic: warning: Supported source version 'RELEASE_7' from annotation processor 'org.forgerock.openam.upgrade.apt.UpgradeStepProcessor' less than -source '1.8'
[WARNING] diagnostic: warning: The following options were not recognized by any processor: '[outputFile]'