feat: run `actionlint` for GitHub Actions variant #1323

Job	Run time
rubocop	12s
audit_dependencies	6s
test	14s
test_generated_apps (defaults, ackama_rails_template.config.yml)	4m 32s
test_generated_apps (all, ci/configs/all.yml, yes)	5m 55s
test_generated_apps (all-typescript, ci/configs/all-typescript.yml, yes)	6m 41s
test_generated_apps (basic, ci/configs/basic.yml)	3m 55s
test_generated_apps (basic-typescript, ci/configs/basic-typescript.yml)	4m 26s
test_generated_apps (github_actions, ci/configs/github_actions.yml, yes)	3m 55s
test_generated_apps (react, ci/configs/react.yml)	4m 11s
test_generated_apps (react-typescript, ci/configs/react-typescript.yml)	4m 53s
test_generated_apps (sidekiq, ci/configs/sidekiq.yml)	3m 46s
test_generated_apps (devise, ci/configs/devise.yml)	4m 59s
test_generated_apps (basic_with_skips, ci/configs/basic.yml, --skip-spring --skip-javascript)	3m 44s
test_generated_apps (bootstrap, ci/configs/bootstrap.yml)	3m 58s
test_generated_apps (bootstrap-typescript, ci/configs/bootstrap-typescript.yml)	4m 41s
test_generated_apps (capistrano, ci/configs/deploy_with_capistrano.yml)	3m 48s
test_generated_apps (ackama_ec2_capistrano, ci/configs/deploy_with_ackama_ec2_capistrano.yml)	4m 13s
	1h 8m 9s

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