Release langchain-chroma==0.1.2

Changes since langchain-chroma==0.1.1

chroma[patch]: Release 0.1.2 (#23604)
chroma[patch]: loosen py req (#23599)
partners: add lint docstrings for chroma module (#23249)
partners: fix numpy dep (#22858)
docs: Chroma docstrings update (#22001)
chroma[patch]: Chroma - remove reference to collection upon delete_collection (#21817)