Update dependency com.velocitypowered:velocity-api to v3.4.0 (#145)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

settings.gradle.kts

@@ -31,7 +31,7 @@ dependencyResolutionManagement {
             library("eldoutil-plugin", "de.eldoria.util", "plugin").versionRef("eldoutil")
             bundle("eldoutil", listOf("eldoutil-plugin"))
 
-            library("velocity", "com.velocitypowered:velocity-api:3.3.0-SNAPSHOT")
+            library("velocity", "com.velocitypowered:velocity-api:3.4.0")
             library("paper", "io.papermc.paper:paper-api:1.19.2-R0.1-SNAPSHOT")
             plugin("shadow", "com.gradleup.shadow").version("9.3.1")
             plugin("pluginyml", "net.minecrell.plugin-yml.bukkit").version("0.6.0")