Drop python-networkmanager to 2.1

Author: maggie44

src/requirements.in

@@ -1,4 +1,4 @@
 Flask-Cors
 Flask-RESTful
-python-networkmanager
+python-networkmanager==2.1
 waitress

src/requirements.txt

@@ -10,21 +10,21 @@ click==8.0.3
     # via flask
 dbus-python==1.2.18
     # via python-networkmanager
-flask==2.0.2
+flask==2.0.3
     # via
     #   flask-cors
     #   flask-restful
 flask-cors==3.0.10
     # via -r requirements.in
 flask-restful==0.3.9
     # via -r requirements.in
-itsdangerous==2.0.1
+itsdangerous==2.1.0
     # via flask
-jinja2==3.0.2
+jinja2==3.0.3
     # via flask
-markupsafe==2.0.1
+markupsafe==2.1.0
     # via jinja2
-python-networkmanager==2.2
+python-networkmanager==2.1
     # via -r requirements.in
 pytz==2021.3
     # via flask-restful
@@ -35,5 +35,5 @@ six==1.16.0
     #   python-networkmanager
 waitress==2.0.0
     # via -r requirements.in
-werkzeug==2.0.2
+werkzeug==2.0.3
     # via flask