Wrong version of Mandrel is used for native image build:
➜ getting-started mvn clean package -Dnative -Dquarkus.native.container-build=true
[INFO] [org.jboss.threads] JBoss Threads version 3.4.2.Final-redhat-00001
[INFO] [io.quarkus.deployment.pkg.steps.JarResultBuildStep] Building native image source jar: /home/jcarvaja/sources/tmp/getting-started/target/getting-started-1.0.0-SNAPSHOT-native-image-source-jar/getting-started-1.0.0-SNAPSHOT-runner.jar
[INFO] [io.quarkus.deployment.pkg.steps.NativeImageBuildStep] Building native image from /home/jcarvaja/sources/tmp/getting-started/target/getting-started-1.0.0-SNAPSHOT-native-image-source-jar/getting-started-1.0.0-SNAPSHOT-runner.jar
[WARNING] [io.quarkus.deployment.pkg.steps.NativeImageBuildStep] Cannot find the `native-image` in the GRAALVM_HOME, JAVA_HOME and System PATH. Install it using `gu install native-image` Attempting to fall back to container build.
[INFO] [io.quarkus.deployment.pkg.steps.NativeImageBuildContainerRunner] Using docker to run the native image builder
[INFO] [io.quarkus.deployment.pkg.steps.NativeImageBuildContainerRunner] Checking image status registry.access.redhat.com/quarkus/mandrel-20-rhel8:latest
Expected tag is registry.access.redhat.com/quarkus/mandrel-21-rhel8:21.2.
Note that looking at the source code, the pom.xml at build-parent contains the wrong Mandrel image: "<platform.quarkus.native.builder-image>registry.access.redhat.com/quarkus/mandrel-20-rhel8:latest</platform.quarkus.native.builder-image>"