build!: Switch to ubuntu-latest for builds #29361

Job	Run time
collect-and-verify	4m 9s
lms-1(py=3.11,dj=pinned,mongo=7.0)	9m 43s
lms-2(py=3.11,dj=pinned,mongo=7.0)	12m 14s
lms-3(py=3.11,dj=pinned,mongo=7.0)	15m 0s
lms-4(py=3.11,dj=pinned,mongo=7.0)	20m 23s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 11s
lms-6(py=3.11,dj=pinned,mongo=7.0)	15m 40s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	10m 29s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	15m 20s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 11s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 42s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 33s
cms-2(py=3.11,dj=pinned,mongo=7.0)	12m 17s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	10m 4s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 29s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 24s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 44s
Unit tests successful	2s
coverage (3.11)	1m 39s
compile-warnings-report	18s
merge-artifacts	15s
	3h 0m 47s

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