build(deps): bump k8s.io/client-go from 0.34.1 to 0.34.2 in /clients/ui/bff #5730

Job	Run time
Check autogenerated code is in sync (3.12, 20)	39s
mypy	37s
docs-build	56s
E2E Py 3.12 K8s v1.27.11 DB postgres	5m 5s
E2E Py 3.9 K8s v1.27.11 DB db	5m 26s
E2E Py 3.10 K8s v1.27.11 DB db	5m 18s
E2E Py 3.11 K8s v1.27.11 DB db	5m 21s
E2E Py 3.12 K8s v1.27.11 DB db	5m 28s
lint	24s
	29m 14s

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