Add bounding box argument to `level2_chunk_graph` #47

Job	Run time
Test against different Python versions (3.7, ubuntu-latest)	24s
Test against different Python versions (3.7, windows-latest)	27s
Test against different Python versions (3.7, macos-latest)	40s
Test against different Python versions (3.8, ubuntu-latest)	1m 3s
Test against different Python versions (3.8, windows-latest)	28s
Test against different Python versions (3.8, macos-latest)	36s
Test against different Python versions (3.9, ubuntu-latest)	28s
Test against different Python versions (3.9, windows-latest)	27s
Test against different Python versions (3.9, macos-latest)	44s
Test against different Python versions (3.10, ubuntu-latest)	28s
Test against different Python versions (3.10, windows-latest)	28s
Test against different Python versions (3.10, macos-latest)	37s
Test against different Python versions (3.11, ubuntu-latest)	24s
Test against different Python versions (3.11, windows-latest)	27s
Test against different Python versions (3.11, macos-latest)	39s
	8m 20s

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