Add bounding box argument to `level2_chunk_graph` #46

Job	Run time
Test against different Python versions (3.7, ubuntu-latest)	28s
Test against different Python versions (3.7, windows-latest)	33s
Test against different Python versions (3.7, macos-latest)	36s
Test against different Python versions (3.8, ubuntu-latest)	28s
Test against different Python versions (3.8, windows-latest)	31s
Test against different Python versions (3.8, macos-latest)	41s
Test against different Python versions (3.9, ubuntu-latest)	32s
Test against different Python versions (3.9, windows-latest)	31s
Test against different Python versions (3.9, macos-latest)	45s
Test against different Python versions (3.10, ubuntu-latest)	30s
Test against different Python versions (3.10, windows-latest)	35s
Test against different Python versions (3.10, macos-latest)	44s
Test against different Python versions (3.11, ubuntu-latest)	32s
Test against different Python versions (3.11, windows-latest)	32s
Test against different Python versions (3.11, macos-latest)	34s
	8m 32s

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