Bump org.igniterealtime.openfire:plugins from 4.3.0 to 5.0.3

Bumps [org.igniterealtime.openfire:plugins](https://github.com/igniterealtime/Openfire) from 4.3.0 to 5.0.3.
- [Release notes](https://github.com/igniterealtime/Openfire/releases)
- [Commits](igniterealtime/Openfire@v4.3.0...v5.0.3)

---
updated-dependencies:
- dependency-name: org.igniterealtime.openfire:plugins
  dependency-version: 5.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <artifactId>plugins</artifactId>
         <groupId>org.igniterealtime.openfire</groupId>
-        <version>4.3.0</version>
+        <version>5.0.3</version>
     </parent>
     <groupId>org.igniterealtime.openfire.plugins</groupId>
     <artifactId>callbackOnOffline</artifactId>