Update Waitress

Author: maggie44

src/requirements.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with python 3.8
+# This file is autogenerated by pip-compile with python 3.9
 # To update, run:
 #
 #    pip-compile
@@ -35,7 +35,7 @@ six==1.16.0
     #   flask-cors
     #   flask-restful
     #   python-networkmanager
-waitress==2.0.0
+waitress==2.1.2
     # via -r requirements.in
 werkzeug==2.0.3
     # via flask