Configuration cache support

[hundal209]

Running task:

:app:coveralls

Produces an error:

Could not load the value of field `onAccess` of `org.gradle.internal.configuration.inputs.AccessTrackingEnvMap` bean found in field `env` of task `:app:coveralls` of type `org.kt3k.gradle.plugin.coveralls.CoverallsTask`.

Reproduce: Enable configuration cache in gradle.properties

org.gradle.configuration-cache=true

and run task.