Update python dependencies (#693)

* Update Python Pygments package to 2.17.2

* Update Python coverage package to 7.4.0

* Update Python freezegun package to 1.4.0

* Update Python pytest-django package to 4.7.0

requirements.txt

@@ -1,8 +1,8 @@
-coverage==7.3.1
+coverage==7.4.0
 factory-boy==3.3.0
-freezegun==1.2.2
+freezegun==1.4.0
 networkx==2.6
 pydot==1.4.2
-pygments==2.16.1
+pygments==2.17.2
 pytest-cov==4.1.0
-pytest-django==4.5.2
+pytest-django==4.7.0