chore: hide 'markdown' reporter #27048

Job	Run time
ubuntu-22.04 (chromium - Node.js 18)	12m 21s
ubuntu-22.04 (firefox - Node.js 18)	25m 5s
ubuntu-22.04 (webkit - Node.js 18)	15m 37s
ubuntu-22.04 (chromium - Node.js 20)	12m 1s
ubuntu-22.04 (chromium - Node.js 22)	12m 13s
ubuntu-20.04 (chromium tip-of-tree)	12m 46s
Test Runner (ubuntu-latest, 18, 1, 2)	29m 56s
Test Runner (ubuntu-latest, 18, 2, 2)	5m 56s
VSCode Extension	28m 32s
Test Runner (windows-latest, 18, 1, 2)	39m 49s
Test Runner (windows-latest, 18, 2, 2)	8m 45s
Test Runner (macos-latest, 18, 1, 2)	19m 43s
Web Components	1m 44s
Test Runner (macos-latest, 18, 2, 2)	3m 30s
Test Runner (ubuntu-latest, 20, 1, 2)	26m 47s
Installation Test ubuntu-latest	11m 0s
Test Runner (ubuntu-latest, 20, 2, 2)	4m 55s
Installation Test macos-latest	8m 57s
Test Runner (ubuntu-latest, 22, 1, 2)	27m 57s
Installation Test windows-latest	18m 19s
Test Runner (ubuntu-latest, 22, 2, 2)	4m 50s
	5h 30m 43s

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