GitHub Actions CI

Try to setup GitHub Actions CI.

Fix typos

os/mac/diagnostic: allow use of GitHub Actions CI.

Move global methods into `Kernel` module.

build: bump dnsruby from 1.61.2 to 1.61.3 in /docs

We will be migrating Homebrew/brew to use this in the near future.

Bumps [dnsruby](https://github.com/alexdalitz/dnsruby) from 1.61.2 to 1.61.3.
- [Release notes](https://github.com/alexdalitz/dnsruby/releases)
- [Changelog](https://github.com/alexdalitz/dnsruby/blob/master/RELEASE_NOTES.md)
- [Commits](https://github.com/alexdalitz/dnsruby/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Otherwise they are not defined inside of subclasses of `DelegateClass`.

Support deleting login items by path.

utils: make redact_secrets handle `nil` secrets.

build: bump html-pipeline from 2.11.1 to 2.12.0 in /docs

Fixes #6363.

Bumps [html-pipeline](https://github.com/jch/html-pipeline) from 2.11.1 to 2.12.0.
- [Release notes](https://github.com/jch/html-pipeline/releases)
- [Changelog](https://github.com/jch/html-pipeline/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jch/html-pipeline/compare/v2.11.1...v2.12.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

[security] build: bump nokogiri from 1.10.3 to 1.10.4 in /docs

[security] build: bump nokogiri from 1.10.3 to 1.10.4 in /Library/Homebrew

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.3 to 1.10.4.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/nokogiri/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.3 to 1.10.4.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/nokogiri/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Remove cask-eid tap from automerge

Since the homebrew-cask-eid tap is no longer in use, it should be removed from the command as well.

audit: whitelist numpy@1.16 without being versioned keg only

brew.sh: handle development git version strings

build: bump parallel_tests from 2.29.1 to 2.29.2 in /Library/Homebrew

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 2.29.1 to 2.29.2.
- [Release notes](https://github.com/grosser/parallel_tests/releases)
- [Commits](https://github.com/grosser/parallel_tests/compare/v2.29.1...v2.29.2

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

gnome_devel_whitelist: add gtk-doc 1.31

Necessary for https://github.com/Homebrew/homebrew-core/pull/42851

build: bump rubocop-rspec from 1.34.1 to 1.35.0 in /Library/Homebrew

cmd/link: fix typo

Bumps [rubocop-rspec](https://github.com/rubocop-hq/rubocop-rspec) from 1.34.1 to 1.35.0.
- [Release notes](https://github.com/rubocop-hq/rubocop-rspec/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop-rspec/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop-hq/rubocop-rspec/compare/v1.34.1...v1.35.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>