update slimjar for built-in spigot helper

core/build.gradle.kts

@@ -1,4 +1,4 @@
-import io.github.slimjar.func.slimjar
+import io.github.slimjar.func.slimjarHelper
 import io.github.slimjar.resolver.data.Mirror
 import org.ajoberstar.grgit.Grgit
 import java.net.URI
@@ -67,7 +67,7 @@ dependencies {
     compileOnly(libs.multiverseCore)
 
     // Shaded
-    implementation(slimjar())
+    implementation(slimjarHelper("spigot"))
 
     // Dynamically Loaded
     slim(libs.paralithic)