Update plugin shadow to v8.3.8

Author: renovate[bot]

gradle/libs.versions.toml

@@ -107,5 +107,5 @@ kotlin = { id = "org.jetbrains.kotlin.jvm", version = "2.2.0" }
 nullaway = { id = "net.ltgt.nullaway", version = "2.2.0" }
 openrewrite = { id = "org.openrewrite.rewrite", version = "7.9.0" }
 plantuml = { id = "io.freefair.plantuml", version = "8.14" }
-shadow = { id = "com.gradleup.shadow", version = "8.3.7" }
+shadow = { id = "com.gradleup.shadow", version = "8.3.8" }
 spotless = { id = "com.diffplug.spotless", version = "7.0.4" }