chore: add psycopg dependencies for testing

Author: kgala2

pyproject.toml

@@ -63,6 +63,7 @@ pymysql = ["PyMySQL>=1.1.0"]
 pg8000 = ["pg8000>=1.31.1"]
 pytds = ["python-tds>=1.15.0"]
 asyncpg = ["asyncpg>=0.30.0"]
+psycopg = ["psycopg>=3.1.0"]
 
 [tool.setuptools.dynamic]
 version = { attr = "google.cloud.sql.connector.version.__version__" }

requirements-test.txt

@@ -11,4 +11,6 @@ asyncpg==0.31.0
 python-tds==1.17.1
 aioresponses==0.7.9
 pytest-aiohttp==1.1.1
+psycopg==3.3.4
+psycopg-binary==3.3.4