Bump dependencies to latest versions

Author: bookernath

requirements.txt

@@ -1,11 +1,10 @@
-Flask==1.1.1
-Jinja2==2.10.1
+Flask==2.0.1
 MarkupSafe==1.1.0
-Werkzeug==0.16.0
-itsdangerous==1.1.0
-requests==2.22.0
-python-dotenv==0.10.3
+Werkzeug==2.0.1
+itsdangerous==2.0.1
+requests==2.25.1
+python-dotenv==0.17.1
 bigcommerce==0.20.1
-gunicorn==19.9.0
-psycopg2==2.8.4
-Flask-SQLAlchemy==2.4.1
+gunicorn==20.1.0
+psycopg2==2.8.6
+Flask-SQLAlchemy==2.5.1