[ENH]: CIP - Expose Collection Dimensionality #1380

Job	Run time
test (3.7, ubuntu-latest, --ignore-glob 'chromadb/test/property/*' --ignore='chromadb/test/test_c...	6m 54s
test (3.7, ubuntu-latest, chromadb/test/property/test_add.py)	4m 4s
test (3.7, ubuntu-latest, chromadb/test/test_cli.py)	2m 59s
test (3.7, ubuntu-latest, chromadb/test/property/test_collections.py)	4m 24s
test (3.7, ubuntu-latest, chromadb/test/property/test_cross_version_persist.py)	9m 28s
test (3.7, ubuntu-latest, chromadb/test/property/test_embeddings.py)	18m 23s
test (3.7, ubuntu-latest, chromadb/test/property/test_filtering.py)	4m 14s
test (3.7, ubuntu-latest, chromadb/test/property/test_persist.py)	15m 44s
test (3.7, windows-latest, --ignore-glob 'chromadb/test/property/*' --ignore='chromadb/test/test_...	2m 34s
test (3.7, windows-latest, chromadb/test/property/test_add.py)	2m 17s
test (3.7, windows-latest, chromadb/test/test_cli.py)	2m 5s
test (3.7, windows-latest, chromadb/test/property/test_collections.py)	1m 56s
test (3.7, windows-latest, chromadb/test/property/test_cross_version_persist.py)	1m 52s
test (3.7, windows-latest, chromadb/test/property/test_embeddings.py)	1m 53s
test (3.7, windows-latest, chromadb/test/property/test_filtering.py)	2m 6s
test (3.7, windows-latest, chromadb/test/property/test_persist.py)	2m 4s
	1h 22m 57s

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