Bump net.dv8tion:JDA from 5.3.2 to 5.4.0 (#378)

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-jda-version = "5.3.2"
+jda-version = "5.4.0"
 lavaplayer-version = "2.2.3"
 lavaplayer-youtube-v2-version = "1.12.0"
 lavasrc-version = "4.6.0"