refactor!: rename MemoryTagResolver to MemoryTagStore

Signed-off-by: Shiwei Zhang <[email protected]>

src/OrasProject.Oras/Content/MemoryStore.cs

@@ -23,7 +23,7 @@ namespace OrasProject.Oras.Content;
 public class MemoryStore : ITarget, IPredecessorFinder
 {
     private readonly MemoryStorage _storage = new();
-    private readonly MemoryTagResolver _tagResolver = new();
+    private readonly MemoryTagStore _tagResolver = new();
     private readonly MemoryGraph _graph = new();
 
     /// <summary>

src/OrasProject.Oras/Content/MemoryTagResolver.cs → src/OrasProject.Oras/Content/MemoryTagStore.cs

@@ -19,7 +19,7 @@
 
 namespace OrasProject.Oras.Content;
 
-internal class MemoryTagResolver : ITagStore
+internal class MemoryTagStore : ITagStore
 {
     private readonly ConcurrentDictionary<string, Descriptor> _index = new();