Bump django from 3.2.20 to 3.2.23 in /requirements #1188

Job	Run time
Tests - Django system check	1m 53s
Tests - General	2m 59s
Tests - Documentation	39s
Tests - Content	4m 25s
Tests - Management	5m 17s
Tests - Resources	4m 38s
Tests - Style	3m 45s
Create at a distance files	0s
Create resource thumbnails	0s
Create resources	0s
Create static files	0s
Create and publish Docker image	0s
	23m 36s

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