Update forbiddenapis plugin to 2.6
Update forbiddenapis plugin to 2.6

Signed-off-by: Sebastian Davids <sdavids@gmx.de>

# Conflicts:
#	build.gradle

# Conflicts:
#	build.gradle

# Conflicts:
#	build.gradle

# Conflicts:
#	build.gradle

sdavids/sdavids-commons-entity,sdavids/sdavids-commons-entity