Update OpenNBT to 2.1.2

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ adventure = "4.12.0"
 gson = "2.10.1"
 fastutil = "8.5.11"
 flare = "2.0.1"
-openNBT = "2.1"
+openNBT = "2.1.2"
 
 # Common provided
 netty = "4.0.20.Final"

velocity/build.gradle.kts

@@ -1,6 +1,7 @@
 dependencies {
     implementation(projects.viaversionCommon)
     compileOnly(libs.velocity) {
+        // Requires Java 11
         exclude("com.velocitypowered", "velocity-brigadier")
     }
     annotationProcessor(libs.velocity)