Add support for python 3.11 & 3.12 #1707

Job	Run time
Tests (ubuntu-20.04, 3.8, 16, django42-drflatest)	1m 7s
Tests (ubuntu-20.04, 3.8, 16, quality)	1m 12s
Tests (ubuntu-20.04, 3.8, 16, pii_check)	30s
Tests (ubuntu-20.04, 3.8, 16, version_check)	26s
Tests (ubuntu-20.04, 3.8, 16, js_tests)	56s
Tests (ubuntu-20.04, 3.8, 16, js_lint)	52s
Tests (ubuntu-20.04, 3.8, 16, rst_validation)	35s
Tests (ubuntu-20.04, 3.8, 16, translations-django42)	1m 1s
Tests (ubuntu-20.04, 3.12, 16, django42-drflatest)	1m 29s
Tests (ubuntu-20.04, 3.12, 16, quality)	1m 33s
Tests (ubuntu-20.04, 3.12, 16, pii_check)	48s
Tests (ubuntu-20.04, 3.12, 16, version_check)	44s
Tests (ubuntu-20.04, 3.12, 16, js_tests)	1m 12s
Tests (ubuntu-20.04, 3.12, 16, js_lint)	1m 14s
Tests (ubuntu-20.04, 3.12, 16, rst_validation)	1m 5s
Tests (ubuntu-20.04, 3.12, 16, translations-django42)	1m 24s
	16m 8s

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