Tests

Add options for the Julia binary and project path #972

Job	Run time
Test Python (3, ubuntu-latest, @JuliaPkg)	1m 42s
Test Python (3, macos-latest, @JuliaPkg)	2m 8s
Test Python (3, windows-latest, @JuliaPkg)	2m 22s
Test Python (3.9, ubuntu-latest, @JuliaPkg)	1m 37s
Test Julia (1.9, windows-latest, @CondaPkg)	3m 36s
Test Python (3, ubuntu-latest, julia)	1m 39s
Test Julia (1.9, ubuntu-latest, @CondaPkg)	1m 57s
Test Julia (1, macos-latest, @CondaPkg)	3m 37s
Test Julia (1, windows-latest, @CondaPkg)	3m 9s
Test Python (3.9, macos-latest, @JuliaPkg)	1m 42s
Test Julia (1, ubuntu-latest, @CondaPkg)	2m 19s
Test Julia (1, ubuntu-latest, python)	2m 22s
Test Julia (1.9, macos-latest, @CondaPkg)	2m 55s
Test Python (3.9, windows-latest, @JuliaPkg)	2m 51s
	33m 56s

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