fix(deps): update dependency com.velocitypowered:velocity-api to v4 (#360)

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

Author: renovate[bot]

velocity/build.gradle.kts

@@ -11,7 +11,7 @@ dependencies {
 
     implementation("org.bstats:bstats-velocity:3.2.1")
 
-    compileOnly("com.velocitypowered:velocity-api:3.4.0")
+    compileOnly("com.velocitypowered:velocity-api:4.0.0")
 }
 
 tasks {