chore(deps): update plugin com-gradleup-shadow to v9 (#390)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -2,7 +2,7 @@
 
 [plugins]
 
-com-gradleup-shadow = { id = "com.gradleup.shadow", version = "8.3.9" }
+com-gradleup-shadow = { id = "com.gradleup.shadow", version = "9.0.1" }
 
 net-minecrell-plugin-yml-bukkit = { id = "net.minecrell.plugin-yml.bukkit", version = "0.6.0" }