Update drupal/gin_toolbar

Author: violinist-bot

composer.json

@@ -139,7 +139,7 @@
         "drupal/field_group": "3.2.0",
         "drupal/flag": "4.0.0-beta4",
         "drupal/gin": "3.0.0-rc4",
-        "drupal/gin_toolbar": "1.0.0-rc3",
+        "drupal/gin_toolbar": "1.0.0-rc4",
         "drupal/ginvite": "2.1.0",
         "drupal/graphql": "4.5.0",
         "drupal/graphql_oauth": "1.0.0-alpha2",