Update metadata and velocity api

Author: jpenilla

gradle/build-logic/src/main/kotlin/minimotd.build-logic.gradle.kts

@@ -23,11 +23,11 @@ hangarPublish.publications.register("plugin") {
     }
     velocity {
       jar.set(jar("velocity"))
-      platformVersions.addAll("3.2")
+      platformVersions.addAll("3.4")
     }
     waterfall {
       jar.set(jar("bungeecord"))
-      platformVersions.addAll("1.20")
+      platformVersions.addAll("1.21")
     }
   }
 }

gradle/libs.versions.toml

@@ -26,7 +26,7 @@ fabricApi = "0.107.0+1.21.3"
 fabricLoader = "0.16.7"
 minecraft = "1.21.3"
 spongeApi7 = "7.2.0"
-velocityApi = "3.3.0-SNAPSHOT"
+velocityApi = "3.4.0-SNAPSHOT"
 jupiterEngine = "5.11.3"
 
 [libraries]