feat: added sender in bulk_email event #29209

Job	Run time
collect-and-verify	5m 37s
lms-1(py=3.11,dj=pinned,mongo=7.0)	10m 31s
lms-2(py=3.11,dj=pinned,mongo=7.0)	11m 32s
lms-3(py=3.11,dj=pinned,mongo=7.0)	15m 23s
lms-4(py=3.11,dj=pinned,mongo=7.0)	19m 51s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 14s
lms-6(py=3.11,dj=pinned,mongo=7.0)	15m 46s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	11m 23s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	15m 1s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 18s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 38s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 48s
cms-2(py=3.11,dj=pinned,mongo=7.0)	12m 6s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 38s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 45s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 52s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 49s
compile-warnings-report	10s
coverage (3.11)	1m 35s
Unit tests successful	3s
merge-artifacts	7s
	3h 3m 7s

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