Cache Julia artifacts, packages and registry

Version updated for julia-actions/cache to version v2.0.4.

• This action is used across all versions by 7,648 repositories.

Go to the GitHub Marketplace to find the latest changes.

Release notes

What’s Changed

• Soft fail registry update by @IanButterworth in https://github.com/julia-actions/cache/pull/143

Full Changelog: https://github.com/julia-actions/cache/compare/v2.0.3...v2.0.4

• julia-actions
• GitHub Actions