feat: add sqlalchemy pyproject dependencies

tembo-pgmq-python/pyproject.toml

@@ -17,16 +17,25 @@ python = ">=3.9"
 psycopg = {extras = ["binary", "pool"], version = "^3"}
 orjson = "^3"
 asyncpg = { version = "^0.29.0", optional = true }
+sqlalchemy = { version = "^2.0.35", optional = true }
 
 [tool.poetry.extras]
 async = ["asyncpg"]
+sqlalchemy = ["sqlalchemy"]
 
 [tool.poetry.group.dev.dependencies]
 black = "^23.3.0"
 ruff = "^0.3.1"
 psycopg = {version = "^3.1.14", extras = ["binary", "pool"]}
-# sqlalchemy testing
-pytest-asyncio = "0.16.0"
+
+[tool.poetry.group.dev-sqlalchemy.dependencies]
+sqlalchemy = "2.0.35"
+# postgresql drivers 
+asyncpg = "^0.29.0"
+greenlet = "^3.0.3"
+psycopg = "^3.2.1"
+psycopg2-binary = "^2.9.9"
+# testing
 pytest = "7.4.4"
 pytest-lazy-fixture = "^0.6.3"
 pytest-cov = "^5.0.0"