chore(deps): update helm release loki to v5.43.4

This MR contains the following updates:

Package	Update	Change
loki (source)	patch	5.43.3 -> 5.43.4

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Release Notes

grafana/helm-charts (loki)

v5.43.4

Helm chart for Grafana Loki in simple, scalable mode

Source commit: https://github.com/grafana/loki/commit/c1084a144a02c7f9e2e6d7d7bc4a2b26422548e2

Tag on source: https://github.com/grafana/loki/releases/tag/helm-loki-5.43.4

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