Update gradle-oci to 0.21.0

Author: SgtSilvio

build.gradle.kts

@@ -640,25 +640,23 @@ oci {
                 entryPoint.addAll("-cp", "/app/classpath/*:/app/libs/*")
                 entryPoint.add(application.mainClass)
             }
-            layers {
-                layer("libs") {
-                    contents {
-                        from(configurations.runtimeClasspath)
-                        into("app/libs")
-                    }
+            layer("libs") {
+                contents {
+                    from(configurations.runtimeClasspath)
+                    into("app/libs")
                 }
-                layer("jar") {
-                    contents {
-                        from(tasks.jar)
-                        into("app/classpath")
-                        rename(".*", "${project.name}-${project.version}.jar")
-                    }
+            }
+            layer("jar") {
+                contents {
+                    from(tasks.jar)
+                    into("app/classpath")
+                    rename(".*", "${project.name}-${project.version}.jar")
                 }
-                layer("resources") {
-                    contents {
-                        from("src/distribution")
-                        into("app")
-                    }
+            }
+            layer("resources") {
+                contents {
+                    from("src/distribution")
+                    into("app")
                 }
             }
         }

gradle/libs.versions.toml

@@ -83,6 +83,6 @@ graalvm-native = { id = "org.graalvm.buildtools.native", version = "0.10.4" }
 launch4j = { id = "edu.sc.seis.launch4j", version = "3.0.6" }
 license = { id = "com.github.hierynomus.license", version = "0.16.1" }
 nebula-ospackage = { id = "com.netflix.nebula.ospackage", version = "11.10.1" }
-oci = { id = "io.github.sgtsilvio.gradle.oci", version = "0.20.2" }
+oci = { id = "io.github.sgtsilvio.gradle.oci", version = "0.21.0" }
 openapi-generator = { id = "org.openapi.generator", version = "7.11.0" }
 shadow = { id = "com.github.johnrengelman.shadow", version = "8.1.1" }