Merge pull request #4128 from GeotrekCE/bump_django-compressor #1

Job	Run time
Build docker image	5m 13s
Build 20.04 package	5m 12s
Build 18.04 package	3m 28s
Python Unittests (bionic-3.8, 3.8, tests)	3m 46s
Python Unittests (bionic-3.8, 3.8, tests_nds)	7m 16s
Python Unittests (focal-3.8, 3.8, tests)	3m 41s
Python Unittests (focal-3.8, 3.8, tests_nds)	2m 4s
Tests E2E 20.04	6m 30s
Tests E2E docker	7m 0s
Publish (on release only)	0s
	44m 10s

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