dependency: Update dependency com.gradleup.shadow:com.gradleup.shadow.gradle.plugin to v9.6.1 (#413)

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

Author: renovate[bot]

buildSrc/build.gradle.kts

@@ -8,7 +8,7 @@ repositories {
 }
 
 dependencies {
-    implementation("com.gradleup.shadow:com.gradleup.shadow.gradle.plugin:9.5.1")
+    implementation("com.gradleup.shadow:com.gradleup.shadow.gradle.plugin:9.6.1")
     implementation("com.modrinth.minotaur:com.modrinth.minotaur.gradle.plugin:2.9.0")
     implementation("io.papermc.hangar-publish-plugin:io.papermc.hangar-publish-plugin.gradle.plugin:0.1.4")
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:2.4.10")