Update plugin shadow to v9.3.1

Author: renovate[bot]

gradle/libs.versions.toml

@@ -21,5 +21,5 @@ ktlint = "com.pinterest.ktlint:ktlint-cli:1.8.0"
 [plugins]
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 buildconfig = "com.github.gmazzo.buildconfig:6.0.6"
-shadow = "com.gradleup.shadow:9.3.0"
+shadow = "com.gradleup.shadow:9.3.1"
 spotless = "com.diffplug.spotless:8.1.0"