chore(deps): update dependency django to v4.2.6

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Django (source, changelog)	==4.2.5 -> ==4.2.6

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Release Notes

django/django (Django)

v4.2.6

Compare Source

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requirements.txt

-Django==4.2.5
+Django==4.2.6
 whitenoise==6.6.0
 gunicorn==21.2.0
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