fix bad url

buildSrc/src/main/kotlin/com/velocitypowered/script/VelocityPublishPlugin.kt

@@ -46,7 +46,7 @@ class VelocityPublishPlugin : Plugin<Project> {
                     credentials(PasswordCredentials::class.java)
 
                     name = "paper"
-                    val base = "https://papermc.io/repo/repository/maven-"
+                    val base = "https://papermc.io/repo/repository/maven"
                     val releasesRepoUrl = "$base-releases/"
                     val snapshotsRepoUrl = "$base-snapshots/"
                     setUrl(if (version.toString().endsWith("SNAPSHOT")) snapshotsRepoUrl else releasesRepoUrl)