Update sbt-scoverage to 1.8.2

Author: neko-kai

project/project/PluginVersions.scala

@@ -4,7 +4,7 @@ object PV {
   val sbt_ghpages = "0.6.3"
   val sbt_site = "1.3.3"
   val sbt_unidoc = "0.4.3"
-  val sbt_scoverage = "1.8.1"
+  val sbt_scoverage = "1.8.2"
   val sbt_pgp = "2.1.1"
   val sbt_assembly = "0.14.9"