[Snyk] Upgrade @mui/material from 5.16.4 to 5.16.6 #261

Job	Run time
setup-node	40s
api-test	48s
unit-and-component-test	1m 6s
performance-browser-todaysTime	1m 56s
performance-browser-yourTime	3m 29s
performance-browser-home	1m 56s
performance-backend-test	3m 33s
cypress-run-edge	9m 39s
cypress-run-chrome	3m 42s
cypress-run-electron	11m 27s
cypress-run-firefox	8m 0s
cypress-run-safari-webkit	5m 28s
	51m 44s

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