chore(deps): update amazon/aws-cli docker tag to v2.15.8 #3441

Job	Run time
Lint: API (php-cs-fixer)	33s
Tests: API	9m 47s
Lint: ClientPrint (ESLint)	25s
Lint: e2e (ESLint)	25s
Lint: Frontend (ESLint)	38s
Tests: Frontend	2m 16s
Tests: PDF	24s
Lint: Print (ESLint)	29s
Tests: Print	50s
Tests: End-to-end build / Tests: End-to-end (build job)	41s
Tests: End-to-end run / Tests: End-to-end (chrome)	4m 10s
Tests: End-to-end run / Tests: End-to-end (firefox)	4m 37s
Tests: End-to-end run / Tests: End-to-end (edge)	4m 19s
Finish coveralls report	4s
workflow-success	1s
Send out CI success event	0s
	29m 39s

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