Bump js-yaml from 3.14.2 to 3.15.0 #1075

Job	Run time
GitHub Actions audit	38s
Browser tests	1m 38s
Action Text tests (3.4, 7-2-stable)	1m 23s
Action Text tests (3.4, 8-0-stable)	1m 9s
Action Text tests (3.2, 8-1-stable)	1m 13s
Action Text tests (3.3, 8-1-stable)	1m 13s
Downstream Rails integration tests	1m 10s
Action Text tests (3.3, 7-2-stable)	1m 7s
Action Text tests (3.3, 8-0-stable)	1m 2s
Action Text tests (3.2, 8-0-stable)	1m 14s
Action Text tests (3.2, 7-2-stable)	1m 9s
Action Text tests (3.4, main, true)	1m 19s
Action Text tests (3.3, main, true)	1m 28s
Action Text tests (head, main, true)	1m 55s
Action Text tests (4.0, 8-1-stable)	59s
Action Text tests (3.4, 8-1-stable)	59s
Action Text tests (4.0, main, true)	1m 5s
	20m 41s

Provide feedback