chore(deps): update dependency httplib2 to v0.21.0 (#8447)

renovate-bot · web-flow · commit f789429f579c · 2022-11-08T11:56:35.000-08:00
diff --git a/appengine/standard/mailgun/requirements.txt b/appengine/standard/mailgun/requirements.txt
@@ -1 +1 @@
-httplib2==0.20.4
+httplib2==0.21.0
