deps: update dependency io.grafeas:grafeas to v2.2.4

Author: renovate-bot

pom.xml

@@ -888,7 +888,7 @@
  <dependency>
  <groupId>io.grafeas</groupId>
  <artifactId>grafeas</artifactId>
- <version>2.2.3</version>
+ <version>2.2.4</version>
  </dependency>
  </dependencies>
  </dependencyManagement>