project.version must be accessed lazy

[Larusso]

atlas-plugins/src/main/groovy/wooga/gradle/plugins/PluginsPlugin.groovy

Lines 247 to 248 in 6f383e5

	releaseName.set(project.version.toString())
	tagName.set("v${project.version}")

We need to use a lazy provider here because in some cases the version is not yet ready to be consumed.