Bump actions/checkout from 2 to 3

	Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
	- [Release notes](https://github.com/actions/checkout/releases)
	- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
	- [Commits](https://github.com/actions/checkout/compare/v2...v3

)

	---
	updated-dependencies:
	- dependency-name: actions/checkout
	  dependency-type: direct:production
	  update-type: version-update:semver-major
	...

Signed-off-by: dependabot[bot] <support@github.com>
	---
	 .github/workflows/baseruby.yml           | 2 +-
	 .github/workflows/bundled_gems.yml       | 2 +-
	 .github/workflows/check_dependencies.yml | 2 +-
	 .github/workflows/check_misc.yml         | 2 +-
	 .github/workflows/codeql-analysis.yml    | 2 +-
	 .github/workflows/compilers.yml          | 2 +-
	 .github/workflows/mingw.yml              | 2 +-
	 .github/workflows/mjit.yml               | 2 +-
	 .github/workflows/spec_guards.yml        | 2 +-
	 .github/workflows/ubuntu.yml             | 2 +-
	 .github/workflows/wasm.yml               | 2 +-
	 .github/workflows/windows.yml            | 2 +-
	 .github/workflows/yjit-ubuntu.yml        | 2 +-
	 .github/workflows/yjit_asm_tests.yml     | 2 +-
	 14 files changed, 14 insertions(+), 14 deletions(-)