feat: [AXM-334] Allow easily adding Firebase credentials in Tutor #759

Job	Run time
collect-and-verify	5m 9s
lms-1(py=3.11,dj=pinned,mongo=7.0)	14m 1s
lms-2(py=3.11,dj=pinned,mongo=7.0)	13m 36s
lms-3(py=3.11,dj=pinned,mongo=7.0)	20m 22s
lms-4(py=3.11,dj=pinned,mongo=7.0)	24m 54s
lms-5(py=3.11,dj=pinned,mongo=7.0)	12m 22s
lms-6(py=3.11,dj=pinned,mongo=7.0)	20m 58s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	16m 3s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	18m 58s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	10m 42s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	7m 47s
cms-1(py=3.11,dj=pinned,mongo=7.0)	7m 18s
cms-2(py=3.11,dj=pinned,mongo=7.0)	19m 17s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	12m 28s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 49s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 16s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 24s
Unit tests successful	2s
compile-warnings-report	5s
coverage	0s
	3h 47m 31s

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