Rename a few new occurrences of Effect (#1608)

(cherry picked from commit 3b888255f88880c3fed757854a3f1b4d3613c5da)

# Conflicts:
#	Sources/ComposableArchitecture/TestStore.swift
#	Tests/ComposableArchitectureTests/EffectTests.swift

Author: tgrapperon

Sources/ComposableArchitecture/TestStore.swift

@@ -1895,7 +1895,7 @@ extension TestStore {
     )
 
     for effect in self.reducer.inFlightEffects {
-      _ = Effect<Never, Never>.cancel(id: effect.id).producer.startWithCompleted {}
+      _ = EffectProducer<Never, Never>.cancel(id: effect.id).producer.startWithCompleted {}
     }
     self.reducer.inFlightEffects = []
   }

Sources/swift-composable-architecture-benchmark/Dependencies.swift

@@ -24,7 +24,7 @@ let dependenciesSuite = BenchmarkSuite(name: "Dependencies") { suite in
 
 private struct BenchmarkReducer: ReducerProtocol {
   @Dependency(\.someValue) var someValue
-  func reduce(into state: inout Int, action: Void) -> Effect<Void, Never> {
+  func reduce(into state: inout Int, action: Void) -> EffectTask<Void> {
     state = self.someValue
     return .none
   }