Support Brigadier long argument types in commands

Fixes #2476

Jenkinsfile

@@ -10,7 +10,6 @@ pipeline {
     stages {
         stage ('Build') {
             steps {
-                sh 'rm /var/lib/jenkins/.m2/repository/org/geysermc/bootstrap-standalone/1.4.1-SNAPSHOT/maven-metadata-local.xml'
                 sh 'git submodule update --init --recursive'
                 sh 'mvn clean package'
             }

connector/pom.xml

@@ -147,7 +147,7 @@
         <dependency>
             <groupId>com.github.GeyserMC</groupId>
             <artifactId>MCProtocolLib</artifactId>
-            <version>e427237</version>
+            <version>e17787a</version>
             <scope>compile</scope>
             <exclusions>
                 <exclusion>