Add retroApplyTags boolean to openapi.json

This change introduces a new boolean field called retroApplyTags to the Radarr API V3. It ensures that the API schema includes this property for any relevant operations. This helps in handling retroactive tag application within the system.

src/Radarr.Api.V3/openapi.json

@@ -9818,6 +9818,9 @@
             },
             "nullable": true
           },
+          "retroApplyTags": {
+            "type": "boolean"
+          },
           "presets": {
             "type": "array",
             "items": {