fix: migrations to make postgresql compatible. #33104

Job	Run time
collect-and-verify	2m 47s
lms-1(py=3.11,dj=pinned,mongo=7.0)	8m 18s
lms-2(py=3.11,dj=pinned,mongo=7.0)	10m 16s
lms-3(py=3.11,dj=pinned,mongo=7.0)	13m 44s
lms-4(py=3.11,dj=pinned,mongo=7.0)	19m 16s
lms-5(py=3.11,dj=pinned,mongo=7.0)	10m 7s
lms-6(py=3.11,dj=pinned,mongo=7.0)	14m 13s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 54s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	12m 53s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	7m 14s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 7s
cms-1(py=3.11,dj=pinned,mongo=7.0)	3m 24s
cms-2(py=3.11,dj=pinned,mongo=7.0)	10m 43s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 13s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	3m 55s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	7m 40s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	7m 22s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	7m 12s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	7m 18s
Unit tests successful	1s
compile-warnings-report	12s
coverage (3.11)	1m 43s
merge-artifacts	7s
	2h 51m 39s

Provide feedback