Bump net.dv8tion:JDA from 5.0.0-beta.4 to 5.0.0-beta.15

Bumps [net.dv8tion:JDA](https://github.com/discord-jda/JDA) from 5.0.0-beta.4 to 5.0.0-beta.15.
- [Release notes](https://github.com/discord-jda/JDA/releases)
- [Commits](discord-jda/JDA@v5.0.0-beta.4...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] <support@github.com>

common/build.gradle

@@ -19,7 +19,7 @@ dependencies {
     compileOnly 'net.kyori:adventure-api:4.14.0'
     compileOnly 'net.luckperms:api:5.4'
     compileOnly 'com.github.Spicord.Spicord:spicord-common:5.1.1'
-    compileOnly 'net.dv8tion:JDA:5.0.0-beta.4'
+    compileOnly 'net.dv8tion:JDA:5.0.0-beta.15'
 
     testImplementation 'net.william278:ProfanityCheckerAPI:2.0.1'
     testImplementation 'net.kyori:adventure-api:4.14.0'