[ENH]: CIP - Expose Collection Dimensionality #1381

Job	Run time
test (3.7, ubuntu-latest, --ignore-glob 'chromadb/test/property/*' --ignore='chromadb/test/test_c...	6m 43s
test (3.7, ubuntu-latest, chromadb/test/property/test_add.py)	4m 9s
test (3.7, ubuntu-latest, chromadb/test/test_cli.py)	2m 54s
test (3.7, ubuntu-latest, chromadb/test/property/test_collections.py)	3m 28s
test (3.7, ubuntu-latest, chromadb/test/property/test_cross_version_persist.py)	8m 55s
test (3.7, ubuntu-latest, chromadb/test/property/test_embeddings.py)	19m 43s
test (3.7, ubuntu-latest, chromadb/test/property/test_filtering.py)	3m 21s
test (3.7, ubuntu-latest, chromadb/test/property/test_persist.py)	17m 46s
test (3.7, windows-latest, --ignore-glob 'chromadb/test/property/*' --ignore='chromadb/test/test_...	1m 58s
test (3.7, windows-latest, chromadb/test/property/test_add.py)	1m 59s
test (3.7, windows-latest, chromadb/test/test_cli.py)	1m 54s
test (3.7, windows-latest, chromadb/test/property/test_collections.py)	2m 1s
test (3.7, windows-latest, chromadb/test/property/test_cross_version_persist.py)	2m 11s
test (3.7, windows-latest, chromadb/test/property/test_embeddings.py)	1m 51s
test (3.7, windows-latest, chromadb/test/property/test_filtering.py)	1m 57s
test (3.7, windows-latest, chromadb/test/property/test_persist.py)	2m 5s
	1h 22m 55s

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