chore(deps): update eslint monorepo to v9.21.0 #45925

Job	Run time
api-check-needed	4s
e2e-check-needed	4s
frontend-check-needed	5s
Lint: ClientPrint (ESLint)	18s
Tests: PDF	25s
Lint: Print (ESLint)	38s
Tests: Print	46s
Tests: API	0s
Lint: API (php-cs-fixer)	0s
Lint: e2e (ESLint)	21s
Tests: End-to-end build / Tests: End-to-end (build job)	28s
Lint: Frontend (ESLint)	33s
Tests: Frontend	3m 37s
Tests: End-to-end run / Tests: End-to-end (chrome)	4m 26s
Tests: End-to-end run / Tests: End-to-end (firefox)	4m 45s
Tests: End-to-end run / Tests: End-to-end (edge)	4m 14s
Finish coveralls report	0s
workflow-success	3s
Send out CI success event	0s
	20m 47s

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