test(deps): update dependency junit:junit to v4.13.1

Author: renovate-bot

dialogflow-cx/snippets/pom.xml

@@ -34,7 +34,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.13</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>