Fix #57 align CI stage families and quality gates

[fabian-barney]

Summary

• align the CI workflow to the stage-family job layout
• split quality gates into targeted jobs and reuse build artifacts
• pin and wire the Java quality plugins for the new checks

Validation

• ran the local Maven build, test, package, CRAP, and cognitive commands reflected in the workflow

Closes #57

[Copilot]

Pull request overview

This PR updates the project’s CI workflow to a stage-family layout, splitting quality gates into dedicated jobs that (intendedly) reuse build artifacts, and pins/updates the Maven quality tooling configuration.

Changes:

• Bumped crap-java-maven-plugin version via crap-java.version property.
• Restructured PR CI into build, test-unit, package, and separate quality-gate jobs.
• Added artifact upload/download steps to reuse Maven repository, build outputs, and JaCoCo reports across jobs.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 7 comments.

File	Description
pom.xml	Updates crap-java plugin version property to support the revised quality-gate checks.
.github/workflows/pr-tests.yml	Refactors PR CI into staged jobs and adds artifact reuse for Maven repo/outputs and JaCoCo reports.

[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.