Add Zeitwerk loader support #24

Job	Run time
rubocop / Rubocop	48s
Ruby / Setup matrix	4s
Ruby / Existing database - Foreman ${{ inputs.foreman_version }} with Ruby ${{ matrix.ruby }} and Node ${{ matrix.node }} on PostgreSQL ${{ matrix.postgresql }}	0s
Ruby / test:foreman_scc_manager - Foreman develop with Ruby 2.7 and Node 14 on PostgreSQL 13	7m 41s
Ruby / db:seed - Foreman develop with Ruby 2.7 and Node 14 on PostgreSQL 13	2m 16s
Ruby / plugin:assets:precompile[foreman_scc_manager] RAILS_ENV=production DATABASE_URL=nulldb://nohost - Foreman develop with Ruby 2.7 and Node 14 on PostgreSQL 13	5m 56s
Ruby / test:foreman_scc_manager - Foreman develop with Ruby 2.7 and Node 18 on PostgreSQL 13	8m 53s
Ruby / db:seed - Foreman develop with Ruby 2.7 and Node 18 on PostgreSQL 13	2m 13s
Ruby / plugin:assets:precompile[foreman_scc_manager] RAILS_ENV=production DATABASE_URL=nulldb://nohost - Foreman develop with Ruby 2.7 and Node 18 on PostgreSQL 13	6m 35s
Ruby / test:foreman_scc_manager - Foreman develop with Ruby 3.0 and Node 18 on PostgreSQL 13	8m 35s
Ruby / db:seed - Foreman develop with Ruby 3.0 and Node 18 on PostgreSQL 13	2m 36s
Ruby / plugin:assets:precompile[foreman_scc_manager] RAILS_ENV=production DATABASE_URL=nulldb://nohost - Foreman develop with Ruby 3.0 and Node 18 on PostgreSQL 13	6m 35s
Ruby / Test suite	1s
	52m 13s

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