Bump org.codehaus.plexus:plexus-utils in /tools/osgicheck-maven-plugin (#493)

Bumps [org.codehaus.plexus:plexus-utils](https://github.com/codehaus-plexus/plexus-utils) from 4.0.2 to 4.0.3.
- [Release notes](https://github.com/codehaus-plexus/plexus-utils/releases)
- [Commits](codehaus-plexus/plexus-utils@plexus-utils-4.0.2...plexus-utils-4.0.3)

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

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tools/osgicheck-maven-plugin/pom.xml

@@ -110,7 +110,7 @@
         <dependency>
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-utils</artifactId>
-            <version>4.0.2</version>
+            <version>4.0.3</version>
         </dependency>
         <dependency>
             <groupId>org.osgi</groupId>