fix: bound response read in integration catalog fetch

Author: Quratulain-bilal

src/specify_cli/integrations/catalog.py

@@ -207,7 +207,7 @@ def _fetch_single_catalog(
                         max_bytes=MAX_JSON_METADATA_BYTES,
                         error_type=IntegrationCatalogError,
                         label=f"catalog from {entry.url}",
-                    )
+                    ).decode("utf-8")
                 )
 
             shape_error = _catalog_shape_error(catalog_data)