feat: Adds Packages and Package versions APIs (#2551)

Octokit/Models/Common/PackageVersionState.cs

@@ -0,0 +1,19 @@
+using Octokit.Internal;
+
+namespace Octokit
+{
+    public enum PackageVersionState
+    {
+        /// <summary>
+        /// Package version which is active
+        /// </summary>
+        [Parameter(Value = "active")]
+        Active,
+        
+        /// <summary>
+        /// Package version whic is deleted
+        /// </summary>
+        [Parameter(Value = "deleted")]
+        Deleted
+    }
+}