Bump flatted from 3.3.3 to 3.4.2 in /clients/TypeScript #1412

Job	Run time
server_build (linux, aarch64, ghc96, 887b833d89db35168fbd4f10afb6f93d26d70f9a)	36m 22s
server_lint (ubuntu-22.04)	41s
server_build (linux, x86_64, ghc96, 887b833d89db35168fbd4f10afb6f93d26d70f9a)	31m 28s
clients_TypeScript (linux, x86_64, preview, 10.5.1)	34m 46s
docker_standalone (linux, ogmios, x86_64)	19s
docker_standalone (linux, ogmios, aarch64)	22s
docker_combined (linux, cardano-node-ogmios, mainnet, 10.5.1, 10.5.1, x86_64)	17s
docker_combined (linux, cardano-node-ogmios, preview, 10.5.1, 10.5.1, x86_64)	21s
docker_combined (linux, cardano-node-ogmios, preprod, 10.5.1, 10.5.1, x86_64)	19s
registry (ogmios)	5s
clients_TypeScript_npm	0s
clients_TypeScript_repl	0s
	1h 45m 0s

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