Bump net.dv8tion:JDA from 5.0.0-beta.20 to 5.0.0-beta.21

Bumps [net.dv8tion:JDA](https://github.com/discord-jda/JDA) from 5.0.0-beta.20 to 5.0.0-beta.21.
- [Release notes](https://github.com/discord-jda/JDA/releases)
- [Commits](discord-jda/JDA@v5.0.0-beta.20...v5.0.0-beta.21)

---
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>

build.gradle

@@ -62,7 +62,7 @@ dependencies {
 	modImplementation include("ru.pinkgoosik:nota:0.2.0-lem-v1-1.20.1") { exclude group: "net.fabricmc.fabric-api" }
 
 	//Discord Bridge
-	shadow implementation("net.dv8tion:JDA:5.0.0-beta.20") { exclude module: 'opus-java' }
+	shadow implementation("net.dv8tion:JDA:5.0.0-beta.21") { exclude module: 'opus-java' }
 
 	//Javalin
 	shadow implementation("io.javalin:javalin:6.1.3")