⬆️(dependencies) update python dependencies

src/backend/setup.cfg

@@ -27,7 +27,7 @@ requires-python = >=3.6
 [options]
 install_requires =
     Brotli==1.0.9
-    boto3==1.17.93
+    boto3==1.17.97
     chardet==4.0.0 # pyup: >=3.0.2,<3.1.0
     coreapi==2.3.3
     cryptography==3.4.7
@@ -44,7 +44,7 @@ install_requires =
     gunicorn==20.1.0
     logging-ldp==0.0.6
     oauthlib==3.1.1
-    psycopg2-binary==2.8.6
+    psycopg2-binary==2.9.1
     PyLTI==0.7.0
     python-dateutil==2.8.1
     sentry-sdk==1.1.0
@@ -79,7 +79,7 @@ dev =
     flake8-docstrings==1.6.0
     flake8-pep3101==1.3.0
     ipython==7.24.1
-    isort==5.8.0
+    isort==5.9.1
     pycodestyle==2.7.0
     pylint==2.8.3
     pylint-django==2.4.4