Explicitly set gson dependency in common

build-logic/src/main/kotlin/Versions.kt

@@ -28,6 +28,7 @@ object Versions {
     const val fastutilVersion = "8.5.2"
     const val nettyVersion = "4.1.66.Final"
     const val guavaVersion = "29.0-jre"
+    const val gsonVersion = "2.3.1" // Provided by Spigot 1.8.8
     const val nbtVersion = "2.1.0"
     const val websocketVersion = "1.5.1"
     const val protocolVersion = "0bd459f"

common/build.gradle.kts

@@ -1,3 +1,4 @@
 dependencies {
     api("org.geysermc.cumulus", "cumulus", Versions.cumulusVersion)
+    api("com.google.code.gson", "gson", Versions.gsonVersion)
 }