chore(deps): update dependency pg8000 to v1.20.0 (#120)

Author: renovate-bot

requirements.txt

@@ -1,7 +1,7 @@
 aiohttp==3.7.4.post0
 cryptography==3.4.7
 PyMySQL==1.0.2
-pg8000==1.19.5
+pg8000==1.20.0
 python-tds==1.11.0
 pyopenssl==20.0.1
 Requests==2.25.1

setup.py

@@ -76,7 +76,7 @@
     install_requires=core_dependencies,
     extras_require={
         "pymysql": ["PyMySQL==1.0.2"],
-        "pg8000": ["pg8000==1.19.5"],
+        "pg8000": ["pg8000==1.20.0"],
         "pytds": ["python-tds==1.11.0"]
     },
     python_requires=">=3.6",