chore(deps): update dependency eslint-plugin-markdown to v5 #1341

Job	Run time
test-for-win-integrations	2m 22s
lint	1m 20s
test-with-eslint6 (12.x)	55s
test-and-coverage	58s
test-with-eslint7 (14.x)	51s
test-with-eslint7 (16.x)	48s
test-for-mac-integrations	1m 0s
test-with-eslint7 (12.x)	45s
test-for-ubuntu-integrations	57s
test-with-eslint8 (12.x)	47s
test (22)	37s
test-with-eslint8 (14.x)	52s
test-with-eslint8 (17.x)	50s
test (20)	37s
test (18)	39s
test-with-eslint8 (16.x)	48s
	15m 6s

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