Use conventional artifact file naming for the generated platform properties and descriptor files

[aloubyansky]

It fixes one of the issues causing #13104

[rsvoboda]

build fails on [ERROR] Failed to execute goal io.quarkus:quarkus-maven-plugin:999-SNAPSHOT:generate-code (default) on project quarkus-cli: Quarkus code generation phase has failed: Failed to bootstrap the application: Failed to create the application model for io.quarkus:quarkus-cli::jar:999-SNAPSHOT: Failed to resolve artifacts: Could not find artifact org.gradle:gradle-tooling-api:jar:6.5 in central (https://repo.maven.apache.org/maven2) -> [Help 1]

[INFO] Quarkus - Command Line Interface ................... FAILURE [ 0.453 s]

Quarkus master builds fine

[rsvoboda]

Updated PR works with local reproducer.

Trying now in the lab where I push bits into artifactory and consume them from other jobs

[rsvoboda]

Approving, this fixes the issues when the reproducer is strictly followed.

The main trouble I have with my CI jobs is still present. Alexey is aware of it and works on follow-up changes.
To replicate CI like issue is to run mvn clean before executing mvn test ...