build(deps-dev): bump org.codehaus.plexus:plexus-utils

Bumps [org.codehaus.plexus:plexus-utils](https://github.com/codehaus-plexus/plexus-utils) from 3.5.1 to 4.0.3.
- [Release notes](https://github.com/codehaus-plexus/plexus-utils/releases)
- [Commits](codehaus-plexus/plexus-utils@plexus-utils-3.5.1...plexus-utils-4.0.3)

---
updated-dependencies:
- dependency-name: org.codehaus.plexus:plexus-utils
  dependency-version: 4.0.3
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

modules/openapi-generator-maven-plugin/pom.xml

@@ -92,7 +92,7 @@
         <dependency>
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-utils</artifactId>
-            <version>3.5.1</version>
+            <version>4.0.3</version>
             <scope>test</scope>
         </dependency>
         <!-- explicit dependency due to https://devhub.checkmarx.com/cve-details/CVE-2018-1002200 (see exclusion in maven-plugin-testing-harness) -->