feat: adds the new spec version to the enum

Signed-off-by: Vincent Biret <[email protected]>

Author: baywet

src/Microsoft.OpenApi/OpenApiSpecVersion.cs

@@ -20,6 +20,10 @@ public enum OpenApiSpecVersion
     /// <summary>
     /// Represents OpenAPI V3.1 spec
     /// </summary>
-    OpenApi3_1
+    OpenApi3_1,
 
+    /// <summary>
+    /// Represents OpenAPI V3.2 spec
+    /// </summary>
+    OpenApi3_2
 }