Bump net.dv8tion:JDA from 5.0.0-beta.14 to 5.0.0-beta.15

Bumps [net.dv8tion:JDA](https://github.com/discord-jda/JDA) from 5.0.0-beta.14 to 5.0.0-beta.15.
- [Release notes](https://github.com/discord-jda/JDA/releases)
- [Commits](discord-jda/JDA@v5.0.0-beta.14...v5.0.0-beta.15)

---
updated-dependencies:
- dependency-name: net.dv8tion:JDA
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -104,7 +104,7 @@
     <dependency>
       <groupId>net.dv8tion</groupId>
       <artifactId>JDA</artifactId>
-      <version>5.0.0-beta.14</version>
+      <version>5.0.0-beta.15</version>
       <exclusions>
         <exclusion>
           <groupId>club.minnced</groupId>