Update ZIO to RC15. (zio#89)

* Update ZIO to RC15.

* revert sbt-pgp  version

.gitignore

@@ -6,3 +6,4 @@ project/secrets.tar.xz
 project/zecret
 target
 test-output/
+.idea/

build.sbt

@@ -49,13 +49,13 @@ lazy val interopCats = crossProject(JSPlatform, JVMPlatform)
   .settings(buildInfoSettings)
   .settings(
     libraryDependencies ++= Seq(
-      "dev.zio"       %%% "zio"                  % "1.0.0-RC14",
-      "dev.zio"       %%% "zio-streams"          % "1.0.0-RC14" % Optional,
-      "dev.zio"       %%% "zio-test"             % "1.0.0-RC14",
+      "dev.zio"       %%% "zio"                  % "1.0.0-RC15",
+      "dev.zio"       %%% "zio-streams"          % "1.0.0-RC15" % Optional,
+      "dev.zio"       %%% "zio-test"             % "1.0.0-RC15",
       "org.typelevel" %%% "cats-effect"          % "2.0.0" % Optional,
       "org.typelevel" %%% "cats-mtl-core"        % "0.7.0" % Optional,
       "co.fs2"        %%% "fs2-core"             % "2.0.1" % Test,
-      "dev.zio"       %%% "zio-test-sbt"         % "1.0.0-RC14" % Test,
+      "dev.zio"       %%% "zio-test-sbt"         % "1.0.0-RC15" % Test,
       "org.specs2"    %%% "specs2-core"          % "4.7.1" % Test,
       "org.specs2"    %%% "specs2-scalacheck"    % "4.7.1" % Test,
       "org.specs2"    %%% "specs2-matcher-extra" % "4.7.1" % Test,

interop-cats/shared/src/main/scala/zio/interop/cats.scala

@@ -35,7 +35,7 @@ abstract class CatsPlatform extends CatsInstances with CatsZManagedInstances wit
   val console: interop.console.cats.type = interop.console.cats
 
   trait CatsApp extends App {
-    implicit val runtime: Runtime[Environment] = this
+    implicit val runtime: Runtime[ZEnv] = this
   }
 
   object implicits {