README: Fix link to sentence transformers (#1224) #48

Job	Run time
test (3.7, ubuntu-latest, --ignore-glob 'chromadb/test/property/*' --ignore='chromadb/test/test_c...	8m 19s
test (3.7, ubuntu-latest, chromadb/test/property/test_add.py)	4m 7s
test (3.7, ubuntu-latest, chromadb/test/test_cli.py)	2m 37s
test (3.7, ubuntu-latest, chromadb/test/property/test_collections.py)	4m 3s
test (3.7, ubuntu-latest, chromadb/test/property/test_cross_version_persist.py)	12m 8s
test (3.7, ubuntu-latest, chromadb/test/property/test_embeddings.py)	23m 10s
test (3.7, ubuntu-latest, chromadb/test/property/test_filtering.py)	3m 46s
test (3.7, ubuntu-latest, chromadb/test/property/test_persist.py)	13m 31s
test (3.7, windows-latest, --ignore-glob 'chromadb/test/property/*' --ignore='chromadb/test/test_...	3m 5s
test (3.7, windows-latest, chromadb/test/property/test_add.py)	2m 4s
test (3.7, windows-latest, chromadb/test/test_cli.py)	2m 38s
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 55s
test (3.7, windows-latest, chromadb/test/property/test_embeddings.py)	2m 42s
test (3.7, windows-latest, chromadb/test/property/test_filtering.py)	2m 4s
test (3.7, windows-latest, chromadb/test/property/test_persist.py)	2m 3s
	1h 30m 8s

Provide feedback