ISTWCMS-5100: Update to entity_class_formatter 8.x-1.3

Not installed by default.

composer.json

@@ -35,7 +35,7 @@
         "drupal/entity_browser": "2.6",
         "drupal/entity_browser_block": "1.1",
         "drupal/entity_browser_block_layout": "1.0.0-beta1",
-        "drupal/entity_class_formatter": "1.2",
+        "drupal/entity_class_formatter": "1.3",
         "drupal/entity_reference_revisions": "1.9",
         "drupal/eu_cookie_compliance": "1.14",
         "drupal/externalauth": "^1.3",