KAFKA-20373: Bump maven artifact to 3.9.15 (#21911)

Bump maven-artifact to resolve plexus-utils CVE:
[CVE-2025-67030](https://www.cve.org/CVERecord?id=CVE-2025-67030).

Reviewers: Chia-Ping Tsai <chia7712@gmail.com>, Mickael Maison
<mickael.maison@gmail.com>

Author: averemee-si

LICENSE-binary

@@ -242,10 +242,10 @@ License Version 2.0:
 - log4j-slf4j-impl-2.25.4
 - log4j-1.2-api-2.25.4
 - lz4-java-1.10.2
-- maven-artifact-3.9.11
+- maven-artifact-3.9.15
 - metrics-core-2.2.0
 - opentelemetry-proto-1.3.2-alpha
-- plexus-utils-3.6.0
+- plexus-utils-3.6.1
 - rocksdbjni-10.1.3
 - scala-library-2.13.18
 - scala-logging_2.13-3.9.6

gradle/dependencies.gradle

@@ -114,7 +114,7 @@ versions += [
   // https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/record/internal/CompressionType.java#L73-L74
   // https://github.com/yawkat/lz4-java/blob/main/src/java/net/jpountz/lz4/LZ4Constants.java#L23-L24
   lz4: "1.10.2",
-  mavenArtifact: "3.9.11",
+  mavenArtifact: "3.9.15",
   metrics: "2.2.0",
   mockito: "5.23.0",
   opentelemetryProto: "1.3.2-alpha",