[ops] Update Helm release loki-distributed to v0.69.16

This MR contains the following updates:

Package	Type	Update	Change
loki-distributed (source)	ops	patch	0.69.14 -> 0.69.16

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⚠ Dependency Lookup Warnings ⚠

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Release Notes

grafana/helm-charts

v0.69.16

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Helm chart for Grafana Loki in microservices mode

v0.69.15

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Helm chart for Grafana Loki in microservices mode

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Configuration

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