Run integration tests with all clusters periodically #657

Job	Run time
Run linting/pre-commit checks	39s
unit-tests (ubuntu-latest, 3.8)	1m 26s
unit-tests (ubuntu-latest, 3.9)	1m 27s
unit-tests (ubuntu-latest, 3.10)	1m 31s
unit-tests (ubuntu-latest, 3.11)	2m 0s
unit-tests (windows-latest, 3.8)	2m 38s
unit-tests (windows-latest, 3.9)	2m 41s
unit-tests (windows-latest, 3.10)	2m 53s
unit-tests (windows-latest, 3.11)	3m 19s
unit-tests (macos-latest, 3.8)	1m 48s
unit-tests (macos-latest, 3.9)	1m 28s
unit-tests (macos-latest, 3.10)	1m 45s
unit-tests (macos-latest, 3.11)	1m 57s
integration tests with a mock slurm cluster (ubuntu-latest, 3.8)	3m 5s
integration tests with a mock slurm cluster (ubuntu-latest, 3.9)	3m 25s
integration tests with a mock slurm cluster (ubuntu-latest, 3.10)	3m 18s
integration tests with a mock slurm cluster (ubuntu-latest, 3.11)	3m 48s
integration tests with a real SLURM cluster (3.11, mila) / integration tests with a real SLURM cluster	3m 55s
	43m 3s

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