Update dependency org.apache.maven:maven-compat to v3.9.9

Author: renovate[bot]

pom.xml

@@ -146,7 +146,7 @@
         <dependency>
             <groupId>org.apache.maven</groupId>
             <artifactId>maven-compat</artifactId>
-            <version>3.9.8</version>
+            <version>3.9.9</version>
             <scope>test</scope>
         </dependency>
     </dependencies>