Update dependency com.gradleup.shadow to v9 (#4760)

* Update dependency com.gradleup.shadow to v9

* Fix missing shadow runtimes on Gradle 9

Signed-off-by: Alexander Brandes <mc.cache@web.de>

---------

Signed-off-by: Alexander Brandes <mc.cache@web.de>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Alexander Brandes <mc.cache@web.de>

build.gradle.kts

@@ -101,9 +101,15 @@ subprojects {
         }
     }
 
-    val javaComponent = components["java"] as AdhocComponentWithVariants
-    javaComponent.withVariantsFromConfiguration(configurations["shadowRuntimeElements"]) {
-        skip()
+    afterEvaluate {
+        val javaComponent = components["java"] as AdhocComponentWithVariants
+        configurations.findByName("shadowRuntimeElements")?.let { shadowRuntimeElements ->
+            javaComponent.withVariantsFromConfiguration(shadowRuntimeElements) {
+                skip()
+            }
+        } ?: run {
+            logger.warn("Configuration 'shadowRuntimeElements' does not exist.")
+        }
     }
 
     signing {

gradle/libs.versions.toml

@@ -33,7 +33,7 @@ vault = "1.7.1"
 serverlib = "2.3.7"
 
 # Gradle plugins
-shadow = "8.3.9"
+shadow = "9.2.2"
 grgit = "4.1.1"
 spotless = "8.0.0"
 publish = "0.34.0"