feat: redact PII fields before delete in user retirement flows #48416

Job	Run time
collect-and-verify	3m 18s
shared-with-lms-1(py=3.12,dj=pinned,mongo=7.0)	24m 0s
lms-3(py=3.12,dj=pinned,mongo=7.0)	16m 58s
lms-5(py=3.12,dj=pinned,mongo=7.0)	20m 0s
cms-2(py=3.12,dj=pinned,mongo=7.0)	19m 32s
lms-4(py=3.12,dj=pinned,mongo=7.0)	21m 15s
cms-1(py=3.12,dj=pinned,mongo=7.0)	5m 30s
lms-2(py=3.12,dj=pinned,mongo=7.0)	20m 21s
shared-with-cms-1(py=3.12,dj=pinned,mongo=7.0)	24m 0s
shared-with-lms-2(py=3.12,dj=pinned,mongo=7.0)	21m 32s
lms-1(py=3.12,dj=pinned,mongo=7.0)	22m 3s
compile-warnings-report	2m 41s
Unit tests successful	2s
coverage (3.12)	1m 35s
merge-artifacts	23s
	3h 23m 10s

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