added notes for Pix2Pix model

Author: jyaistMap

guide/02-api-overview/release-notes.ipynb

@@ -83,7 +83,10 @@
     "   * Fixes issue where overwrites of the original data frame and respective column names occur during data preparation and with [`predict()`](https://developers.arcgis.com/python/api-reference/arcgis.learn.toc.html#arcgis.learn.MLModel.predict)\n",
     "* [Image Translation Models](https://developers.arcgis.com/python/api-reference/arcgis.learn.toc.html#image-translation-models)\n",
     " * [`CycleGAN`](https://developers.arcgis.com/python/api-reference/arcgis.learn.toc.html#cyclegan)\n",
-    "   * Fixes issue with [`prepare_data()`](https://developers.arcgis.com/python/api-reference/arcgis.learn.toc.html#prepare-data) where `imagery_type` parameter was not treated as optional"
+    "   * Fixes issue with [`prepare_data()`](https://developers.arcgis.com/python/api-reference/arcgis.learn.toc.html#prepare-data) where `imagery_type` parameter was not treated as optional\n",
+    " * [`Pix2Pix`](https://developers.arcgis.com/python/api-reference/arcgis.learn.toc.html#pix2pix)\n",
+    "   * Fixes issue with [`prepare_data()`](https://developers.arcgis.com/python/api-reference/arcgis.learn.toc.html#prepare-data) where `imagery_type` parameter was not treated as optional\n",
+    "   * Adds missing `accuracy` and `show_progress` parameters to [`compute_metrics()`](https://developers.arcgis.com/python/api-reference/arcgis.learn.toc.html#arcgis.learn.Pix2Pix.compute_metrics)"
    ]
   },
   {