Update to 26.2

plugin/build.gradle.kts

@@ -1,7 +1,7 @@
 plugins {
     id("java-library")
     id("net.minecrell.plugin-yml.bukkit") version "0.6.0" // Plugin for generating plugin.yml
-    id("com.github.johnrengelman.shadow") version "8.1.1"
+    id("com.gradleup.shadow") version "9.6.1"
 }
 
 dependencies {