Add `dependencies` method to the build hook interface #2194

Job	Run time
Downstream builds with Python 3.8	38s
Downstream builds with Python 3.9	44s
Python 3.8 on Linux	3m 0s
Downstream builds with Python 3.10	46s
CLI responsiveness with latest Python	2m 25s
Python 3.9 on Linux	3m 3s
Downstream builds with Python 3.11	38s
Python 3.10 on Linux	3m 8s
Downstream builds with Python 3.12	41s
Python 3.11 on Linux	2m 58s
Python 3.12 on Linux	3m 7s
Python 3.8 on Windows	7m 11s
Python 3.9 on Windows	6m 52s
Python 3.10 on Windows	6m 29s
Python 3.11 on Windows	6m 12s
Python 3.12 on Windows	6m 37s
Python 3.8 on macOS	4m 40s
Python 3.9 on macOS	3m 23s
Python 3.10 on macOS	3m 57s
Python 3.11 on macOS	4m 22s
Python 3.12 on macOS	5m 12s
Report coverage	29s
check	2s
	1h 16m 34s

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