chore(deps): update dependency autoprefixer to v10.4.15 #496

Job	Run time
Continuous integration / Lint: Frontend (ESLint)	47s
Continuous integration / Lint: API (php-cs-fixer)	40s
Continuous integration / Lint: Print (ESLint)	40s
Continuous integration / Tests: API	11m 7s
Continuous integration / Tests: Frontend	3m 34s
Continuous integration / Tests: Print	2m 15s
Continuous integration / Tests: End-to-end (build job)	1m 19s
Continuous integration / Tests: End-to-end (electron)	5m 1s
Continuous integration / Tests: End-to-end (chrome)	5m 6s
Continuous integration / Tests: End-to-end (firefox)	6m 34s
Continuous integration / Tests: End-to-end (edge)	5m 46s
Continuous integration / Finish coveralls report	4s
Continuous integration / Send out CI success event	0s
Build and push docker images / Build images and push	4m 15s
Upgrade or install deployment / Deploy to Kubernetes	1m 3s
	48m 11s

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