also test against 3.9-stable #138

Job	Run time
Rubocop / Rubocop	26s
Ruby (develop) / Setup matrix	3s
Ruby (3.9-stable) / Setup matrix	3s
Ruby (3.9-stable) / Existing database - Foreman 3.9-stable with Ruby 2.7 and Node 14 on PostgreSQL 12	2m 2s
Ruby (3.9-stable) / test:foreman_theme_satellite - Foreman 3.9-stable with Ruby 2.7 and Node 14 on PostgreSQL 12	5m 38s
Ruby (3.9-stable) / db:seed - Foreman 3.9-stable with Ruby 2.7 and Node 14 on PostgreSQL 12	1m 43s
Ruby (3.9-stable) / plugin:assets:precompile[foreman_theme_satellite] RAILS_ENV=production DATABASE_URL=nulldb://nohost - Foreman 3.9-stable with Ruby 2.7 and Node 14 on PostgreSQL 12	5m 7s
Ruby (develop) / Existing database - Foreman develop with Ruby 2.7 and Node 14 on PostgreSQL 12	2m 1s
Ruby (develop) / test:foreman_theme_satellite - Foreman develop with Ruby 2.7 and Node 14 on PostgreSQL 12	5m 18s
Ruby (develop) / db:seed - Foreman develop with Ruby 2.7 and Node 14 on PostgreSQL 12	1m 49s
Ruby (develop) / plugin:assets:precompile[foreman_theme_satellite] RAILS_ENV=production DATABASE_URL=nulldb://nohost - Foreman develop with Ruby 2.7 and Node 14 on PostgreSQL 12	4m 55s
	29m 5s

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