Revert "revert(dependencies): Revert all dependency changes"

This reverts commit ff64905.

Author: Joshmantova

poetry.lock

@@ -109,6 +109,8 @@ autodoc_pydantic = { version = "*", optional = true }
 sphinx-reredirects = { version = "^0.1.2", optional = true }
 sphinx-automodapi = { version = "0.16.0", optional = true }
 rich = "^13.7.1"
+psycopg2 = {version = "^2.9.9", optional = true}
+pgvector = {version = "^0.2.5", optional = true}
 
 
 [tool.poetry.group.dev.dependencies]
@@ -125,6 +127,7 @@ qdrant = ["qdrant-client", "fastembed"]
 marqo = ["marqo"]
 pinecone = ["pinecone-client"]
 weaviate = ["weaviate-client"]
+postgres = ["psycopg2", "pgvector"]
 docs = [
     "sphinx",
     "furo",