Bump mocha and @types/mocha #2342

Job	Run time
run (admin-ui, lint)	1m 59s
run (admin-ui, test)	1m 23s
run (admin-ui, build)	1m 31s
run (admin-ui, cy:check-types)	1m 7s
run (admin-ui, cy:run-component)	7m 56s
run (account-ui, lint)	1m 25s
run (account-ui, build)	1m 22s
run (@keycloak/keycloak-admin-client, lint)	1m 28s
run (@keycloak/keycloak-admin-client, build)	1m 4s
run (keycloak-masthead, lint)	1m 14s
run (keycloak-masthead, build)	1m 13s
dependabot	0s
	21m 42s

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