Upgrade Django to 4.2 #495

Job	Run time
Test aip-encrypt on Firefox	33m 13s
Test aip-encrypt on Chrome	27m 41s
Test aip-encrypt-mirror on Firefox	22m 45s
Test aip-encrypt-mirror on Chrome	18m 49s
Test black-box on Chrome	47m 42s
Test icc on Firefox	20m 19s
Test icc on Chrome	18m 20s
Test ipc preservation on Firefox	31m 14s
Test ipc preservation on Chrome	23m 47s
Test ipc access on Firefox	28m 8s
Test ipc access on Chrome	28m 37s
Test metadata-xml on Firefox	28m 58s
Test metadata-xml on Chrome	25m 45s
Test tcc on Firefox	19m 9s
Test tcc on Chrome	19m 40s
Test tpc on Firefox	19m 15s
Test tpc on Chrome	19m 15s
Test uuids-dirs on Firefox	24m 17s
Test uuids-dirs on Chrome	24m 25s
	8h 1m 19s

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