chore(deps): update dependency org.junit.vintage:junit-vintage-engine to v5.10.0-rc1 (GoogleCloudPlatform#8402)

Author: renovate-bot

eventarc/storage-handler/pom.xml

@@ -91,7 +91,7 @@ limitations under the License.
     <dependency>
       <groupId>org.junit.vintage</groupId>
       <artifactId>junit-vintage-engine</artifactId>
-      <version>5.10.0-M1</version>
+      <version>5.10.0-RC1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>