chore(deps): bump flatted from 3.3.3 to 3.4.1 in /example-web #732

Job	Run time
Install dependencies	10s
Verify example app sources	44s
Lint the sources	15s
Run the unit tests	15s
Build example app iOS (Fabric)	1m 48s
Build example app Android (Fabric)	5m 36s
	8m 48s

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