Update onesignal-sdk requirement from ~=1.0.0 to ~=2.0.0

Updates the requirements on [onesignal-sdk](https://github.com/zeyneloz/onesignal_sdk) to permit the latest version.
- [Release notes](https://github.com/zeyneloz/onesignal_sdk/releases)
- [Changelog](https://github.com/zeyneloz/onesignal_sdk/blob/master/CHANGES.rst)
- [Commits](zeyneloz/onesignal_sdk@v1.0.0...v2.0.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packet/__init__.py

@@ -7,7 +7,7 @@
 import os
 
 import csh_ldap
-import onesignal
+import onesignal_sdk.client as onesignal
 from flask import Flask
 from flask_gzip import Gzip
 from flask_migrate import Migrate
@@ -57,7 +57,7 @@
    app.config['ONESIGNAL_CSH_APP_ID']:
     csh_onesignal_client = onesignal.Client(
         user_auth_key=app.config['ONESIGNAL_USER_AUTH_KEY'],
-        app_auth_key=app.config['ONESIGNAL_CSH_APP_AUTH_KEY'],
+        rest_api_key=app.config['ONESIGNAL_CSH_APP_AUTH_KEY'],
         app_id=app.config['ONESIGNAL_CSH_APP_ID']
     )
     app.logger.info('CSH Onesignal configured and notifications enabled')
@@ -68,7 +68,7 @@
    app.config['ONESIGNAL_INTRO_APP_ID']:
     intro_onesignal_client = onesignal.Client(
         user_auth_key=app.config['ONESIGNAL_USER_AUTH_KEY'],
-        app_auth_key=app.config['ONESIGNAL_INTRO_APP_AUTH_KEY'],
+        rest_api_key=app.config['ONESIGNAL_INTRO_APP_AUTH_KEY'],
         app_id=app.config['ONESIGNAL_INTRO_APP_ID']
     )
     app.logger.info('Intro Onesignal configured and notifications enabled')

packet/notifications.py

@@ -1,4 +1,4 @@
-import onesignal
+import onesignal_sdk.client as onesignal
 
 from packet import app, intro_onesignal_client, csh_onesignal_client
 from packet.models import NotificationSubscription

requirements.txt

@@ -7,7 +7,7 @@ Flask-Migrate~=2.5.3
 Flask-pyoidc~=3.7.0
 flask_sqlalchemy~=2.4.4
 gunicorn~=20.0.4
-onesignal-sdk~=1.0.0
+onesignal-sdk~=2.0.0
 psycopg2-binary~=2.8.6
 pylint~=2.7.2
 pylint-quotes~=0.2.1