chore: add release build workflow and update test pattern

[rlmestre]

No description provided.

[Copilot]

Pull Request Overview

This PR adds automated release build functionality and refines the test execution pattern. It introduces a GitHub Actions workflow that automatically publishes built artifacts to a release-build branch when changes are pushed to main.

• Adds a new GitHub Actions workflow for automated release builds on main branch pushes
• Updates the test script pattern to be less recursive (from src/**/*.test.* to src/*.test.*)
• Removes the "prepare" npm script that was automatically building on install

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
package.json	Updates test pattern and removes prepare script
.github/workflows/release-build.yml	New workflow for publishing release artifacts to a dedicated branch

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