bump certifi to secure version

sspickle · sspickle · commit be533dbc028d · 2022-12-21T11:10:30.000-05:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,7 +1,7 @@
 astroid==2.4.2
 Authlib==0.15.2
 cachetools==4.1.1
-certifi==2020.6.20
+certifi==2022.12.07
 cffi==1.14.1
 chardet==3.0.4
 click==7.1.2
