Update dependency org.apache.maven:maven-plugin-api to v3.9.4

Author: renovate[bot]

pom.xml

@@ -87,7 +87,7 @@
         <dependency>
             <groupId>org.apache.maven</groupId>
             <artifactId>maven-plugin-api</artifactId>
-            <version>3.9.3</version>
+            <version>3.9.4</version>
             <scope>provided</scope>
         </dependency>
         <dependency>