chore(deps): update amazon/aws-cli docker tag to v2.21.0 #443

Job	Run time
Continuous integration / Lint: API (php-cs-fixer)	33s
Continuous integration / Lint: Frontend (ESLint)	39s
Continuous integration / Tests: API	3m 50s
Continuous integration / Lint: ClientPrint (ESLint)	18s
Continuous integration / Lint: e2e (ESLint)	22s
Continuous integration / Tests: Frontend	2m 14s
Continuous integration / Tests: PDF	26s
Continuous integration / Lint: Print (ESLint)	26s
Continuous integration / Tests: Print	1m 11s
Continuous integration / Tests: End-to-end build / Tests: End-to-end (build job)	1m 0s
Continuous integration / Tests: End-to-end run / Tests: End-to-end (chrome)	4m 7s
Continuous integration / Tests: End-to-end run / Tests: End-to-end (firefox)	5m 1s
Continuous integration / Tests: End-to-end run / Tests: End-to-end (edge)	4m 47s
Continuous integration / Finish coveralls report	3s
Continuous integration / workflow-success	4s
Continuous integration / Send out CI success event	0s
Build and push docker images	0s
Upgrade or install deployment	0s
	25m 1s

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