[mleem97]

Description

Adds a GitHub-only Actions workflow for workspace validation and release artifacts.

Motivation and Context

GitHub should build and publish the distributable artifacts for Windows, Linux, and experimental macOS support. Forgejo remains Linux-only and is unchanged.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.

The workflow runs cargo test --workspace, builds a Windows x64 portable package and Inno Setup installer, Linux portable and nfpm packages, and macOS x64/arm64 portable archives. Tags matching v* publish a GitHub Release.

[codacy-production]

Not up to standards ⛔

🔴 Issues 3 high

Alerts:
⚠ 3 issues (≤ 0 issues of at least minor severity)

Results:
3 new issues

Category	Results
Security	3 high

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