Rename cacheStoreFactory attribute

It references a CacheStoreFactoryFactory so it should have been named
accordingly.

main/src/main/scala/sbt/Defaults.scala

@@ -2772,7 +2772,8 @@ object Classpaths {
 
     import CacheStoreFactory.jvalueIsoString
     val cacheStoreFactory: CacheStoreFactory = {
-      val factory = state.value.get(Keys.cacheStoreFactory).getOrElse(InMemoryCacheStore.factory(0))
+      val factory =
+        state.value.get(Keys.cacheStoreFactoryFactory).getOrElse(InMemoryCacheStore.factory(0))
       factory(cacheDirectory.toPath, Converter)
     }
 

main/src/main/scala/sbt/Keys.scala

@@ -491,7 +491,7 @@ object Keys {
   val pluginData = taskKey[PluginData]("Information from the plugin build needed in the main build definition.").withRank(DTask)
   val globalPluginUpdate = taskKey[UpdateReport]("A hook to get the UpdateReport of the global plugin.").withRank(DTask)
   private[sbt] val taskCancelStrategy = settingKey[State => TaskCancellationStrategy]("Experimental task cancellation handler.").withRank(DTask)
-  private[sbt] val cacheStoreFactory = AttributeKey[CacheStoreFactoryFactory]("cache-store-factory")
+  private[sbt] val cacheStoreFactoryFactory = AttributeKey[CacheStoreFactoryFactory]("cache-store-factory-factory")
   val fileCacheSize = settingKey[String]("The approximate maximum size in bytes of the cache used to store previous task results. For example, it could be set to \"256M\" to make the maximum size 256 megabytes.")
 
   // Experimental in sbt 0.13.2 to enable grabbing semantic compile failures.

main/src/main/scala/sbt/Main.scala

@@ -852,8 +852,8 @@ object BuiltinCommands {
       .getOpt(Keys.fileCacheSize)
       .flatMap(SizeParser(_))
       .getOrElse(SysProp.fileCacheSize)
-    s.get(Keys.cacheStoreFactory).foreach(_.close())
-    s.put(Keys.cacheStoreFactory, InMemoryCacheStore.factory(size))
+    s.get(Keys.cacheStoreFactoryFactory).foreach(_.close())
+    s.put(Keys.cacheStoreFactoryFactory, InMemoryCacheStore.factory(size))
   }
 
   def registerCompilerCache(s: State): State = {

main/src/main/scala/sbt/internal/BuildStructure.scala

@@ -308,7 +308,8 @@ object BuildStreams {
         displayFull,
         LogManager.construct(data, s),
         sjsonnew.support.scalajson.unsafe.Converter, {
-          val factory = s.get(Keys.cacheStoreFactory).getOrElse(InMemoryCacheStore.factory(0))
+          val factory =
+            s.get(Keys.cacheStoreFactoryFactory).getOrElse(InMemoryCacheStore.factory(0))
           (file, converter: SupportConverter[JValue]) => factory(file.toPath, converter)
         }
       )