build(deps): bump julia-actions/julia-format from 3 to 4

[dependabot[bot]]

Bumps julia-actions/julia-format from 3 to 4.

Release notes

Sourced from julia-actions/julia-format's releases.

v4.0.0

What's Changed

• Set julia-actions/cache to v2 in action by @​JoshuaLampert in julia-actions/julia-format#33

New Contributors

• @​JoshuaLampert made their first contribution in julia-actions/julia-format#33

Full Changelog: https://github.com/julia-actions/julia-format/compare/v3...v4.0.0

v3.1.0

What's Changed

• set julia-cache action to v2 by @​oameye in julia-actions/julia-format#30
• chore: restore behavior that lists files that need formatting by @​zot in julia-actions/julia-format#32

New Contributors

• @​oameye made their first contribution in julia-actions/julia-format#30
• @​zot made their first contribution in julia-actions/julia-format#32

Full Changelog: https://github.com/julia-actions/julia-format/compare/v3.0.0...v3.1.0

Commits

• d758bee Check that the version input is non-empty (#46)
• 675d55f Strip leading/lagging whitespace from the JuliaFormatter version number (#45)
• b665111 Add some example source code for the CI on this repo to process (#44)
• 4889442 Add some comments, and fix some whitespace (#43)
• 3fe4ad3 Always specify the package UUID whenever installing a Julia package (#42)
• f54e5dc Avoid bare using Foo (always do using Foo: bar or using Foo: Foo or `im...
• 887ff39 LICENSE: add "and contributors" (#40)
• f7d6a2e Show color in Julia steps (#36)
• 776172e change fail_on_error to fail_level (#35)
• c527bdb Set up a very basic smoke test in CI (#39)
• Additional commits viewable in compare view

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