NMS adapter for spigot 1.20 (#3911)

bootstrap/spigot/build.gradle.kts

@@ -4,7 +4,9 @@ dependencies {
         isTransitive = false
     }
 
-    implementation(libs.adapters.spigot)
+    implementation(variantOf(libs.adapters.spigot) {
+        classifier("all") // otherwise the unshaded jar is used without the shaded NMS implementations
+    })
 
     implementation(libs.commodore)
 

gradle/libs.versions.toml

@@ -23,7 +23,7 @@ jline = "3.21.0"
 terminalconsoleappender = "1.2.0"
 folia = "1.19.4-R0.1-SNAPSHOT"
 viaversion = "4.0.0"
-adapters = "1.8-SNAPSHOT"
+adapters = "1.9-SNAPSHOT"
 commodore = "2.2"
 bungeecord = "a7c6ede"
 velocity = "3.0.0"