chore(deps): update dependency grafana/loki to v3.4.0 #10167

Job	Run time
Collect tools	8s
Collect versions for tools	11s
Build container image (logcli)	36s
Build container image (loki-canary)	39s
Build container image (loki)	36s
Build container image (promtail)	48s
Build container images successfully	1s
Check visibility (logcli) / Check	4s
Check visibility (loki) / Check	4s
Check visibility (loki-canary) / Check	7s
Check visibility (promtail) / Check	4s
Test version extraction (logcli:3.4.0)	27s
Test version extraction (loki-canary:3.4.0)	26s
Test version extraction (loki:3.4.0)	26s
Smoke test (logcli:3.4.0)	4s
Test version extraction (promtail:3.4.0)	19s
Smoke test (loki-canary:3.4.0)	4s
Smoke test (loki:3.4.0)	4s
Smoke test (promtail:3.4.0)	3s
Scan container images (logcli:3.4.0) / Scout	24s
Scan container images (loki:3.4.0) / Scout	42s
Scan container images (loki-canary:3.4.0) / Scout	29s
Scan container images (promtail:3.4.0) / Scout	41s
	7m 27s

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