feat: apply ADR 0040 — canonical MFE configuration endpoint #49144

Job	Run time
shared-with-lms-1(py=3.12,dj=pinned,mongo=7.0)	21m 36s
collect-and-verify	3m 23s
lms-2(py=3.12,dj=pinned,mongo=7.0)	19m 35s
lms-5(py=3.12,dj=pinned,mongo=7.0)	19m 27s
lms-4(py=3.12,dj=pinned,mongo=7.0)	20m 20s
lms-1(py=3.12,dj=pinned,mongo=7.0)	21m 7s
cms-2(py=3.12,dj=pinned,mongo=7.0)	20m 22s
lms-3(py=3.12,dj=pinned,mongo=7.0)	19m 27s
shared-with-cms-1(py=3.12,dj=pinned,mongo=7.0)	24m 39s
shared-with-lms-2(py=3.12,dj=pinned,mongo=7.0)	19m 27s
cms-1(py=3.12,dj=pinned,mongo=7.0)	5m 8s
Unit tests successful	2s
compile-warnings-report	2m 41s
coverage (3.12)	1m 37s
merge-artifacts	29s
	3h 19m 20s

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