Add shared GitHub Actions workflow for ruby #4

Job	Run time
Ruby / Setup matrix	3s
Ruby / Existing database - Foreman develop with Ruby 2.7 and Node 14 on PostgreSQL 12	4m 32s
Ruby / db:seed - Foreman develop with Ruby 2.7 and Node 14 on PostgreSQL 12	4m 13s
Ruby / Existing database - Foreman develop with Ruby 2.7 and Node 18 on PostgreSQL 12	4m 31s
Ruby / plugin:assets:precompile[foreman_hooks] RAILS_ENV=production DATABASE_URL=nulldb://nohost - Foreman develop with Ruby 2.7 and Node 14 on PostgreSQL 12	4m 21s
Ruby / Existing database - Foreman develop with Ruby 3.0 and Node 14 on PostgreSQL 12	2m 48s
Ruby / db:seed - Foreman develop with Ruby 2.7 and Node 18 on PostgreSQL 12	4m 13s
Ruby / Existing database - Foreman develop with Ruby 3.0 and Node 18 on PostgreSQL 12	2m 46s
Ruby / plugin:assets:precompile[foreman_hooks] RAILS_ENV=production DATABASE_URL=nulldb://nohost - Foreman develop with Ruby 2.7 and Node 18 on PostgreSQL 12	3m 49s
Ruby / db:seed - Foreman develop with Ruby 3.0 and Node 14 on PostgreSQL 12	2m 35s
Ruby / plugin:assets:precompile[foreman_hooks] RAILS_ENV=production DATABASE_URL=nulldb://nohost - Foreman develop with Ruby 3.0 and Node 14 on PostgreSQL 12	2m 14s
Ruby / db:seed - Foreman develop with Ruby 3.0 and Node 18 on PostgreSQL 12	2m 36s
Ruby / plugin:assets:precompile[foreman_hooks] RAILS_ENV=production DATABASE_URL=nulldb://nohost - Foreman develop with Ruby 3.0 and Node 18 on PostgreSQL 12	2m 17s
	40m 58s

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