Bump plexus-maven-plugin from 1.3.4 to 1.3.8

Bumps plexus-maven-plugin from 1.3.4 to 1.3.8.

---
updated-dependencies:
- dependency-name: org.codehaus.plexus:plexus-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -48,7 +48,7 @@ See the Apache License Version 2.0 for the specific language governing permissio
       <plugin>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-maven-plugin</artifactId>
-        <version>1.3.4</version>
+        <version>1.3.8</version>
         <executions>
           <execution>
             <goals>