Bump Plan from 5.5.2379 to 5.5.2391

Bumps Plan from 5.5.2379 to 5.5.2391.

---
updated-dependencies:
- dependency-name: com.github.plan-player-analytics:Plan
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

addon/plan/pom.xml

@@ -69,7 +69,7 @@
         <dependency>
             <groupId>com.github.plan-player-analytics</groupId>
             <artifactId>Plan</artifactId>
-            <version>5.5.2379</version> <!-- Add the version number here -->
+            <version>5.5.2391</version> <!-- Add the version number here -->
             <scope>provided</scope>
         </dependency>
         <dependency>