v0.2.0 - CDN manifest install

Summary

• Resolves the Blazium CLI version from the public CDN manifest at https://cdn.blazium.app/cli/cli.json (published by blazium-cli CI).
• Installs the latest CLI by default; optional version input pins a specific release.
• Verifies SHA256 checksums when the manifest provides them.
• Upgrades actions/cache to v4.

Usage

- uses: blazium-games/setup-blazium-cli@v0.2.0