deps: bump typing-extensions from 4.0.0 to 4.0.1 in /example (#140)

dependabot[bot] · web-flow · commit 390412f275f4 · 2021-12-09T10:33:18.000Z
diff --git a/example/requirements.txt b/example/requirements.txt
@@ -1,3 +1,3 @@
 asynction
 gevent-websocket==0.10.1
-typing-extensions==4.0.0
+typing-extensions==4.0.1
