feat: Add deprecate_youtube flag in course blocks api #31024

Job	Run time
collect-and-verify	4m 6s
lms-1(py=3.11,dj=pinned,mongo=7.0)	10m 35s
lms-2(py=3.11,dj=pinned,mongo=7.0)	11m 30s
lms-3(py=3.11,dj=pinned,mongo=7.0)	15m 30s
lms-4(py=3.11,dj=pinned,mongo=7.0)	20m 26s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 4s
lms-6(py=3.11,dj=pinned,mongo=7.0)	15m 27s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	12m 7s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	14m 35s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 21s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 46s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 57s
cms-2(py=3.11,dj=pinned,mongo=7.0)	12m 38s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 41s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 32s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 57s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 40s
Unit tests successful	1s
compile-warnings-report	9s
coverage (3.11)	1m 38s
merge-artifacts	15s
	3h 2m 55s

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