Move ApplyTags to own file

Closes #8808

src/Radarr.Api.V3/ApplyTags.cs

@@ -0,0 +1,9 @@
+namespace Radarr.Api.V3
+{
+    public enum ApplyTags
+    {
+        Add,
+        Remove,
+        Replace
+    }
+}

src/Radarr.Api.V3/ProviderBulkResource.cs

@@ -15,13 +15,6 @@ namespace Radarr.Api.V3
         }
     }
 
-    public enum ApplyTags
-    {
-        Add,
-        Remove,
-        Replace
-    }
-
     public class ProviderBulkResourceMapper<TProviderBulkResource, TProviderDefinition>
         where TProviderBulkResource : ProviderBulkResource<TProviderBulkResource>, new()
         where TProviderDefinition : ProviderDefinition, new()