[stable/zed] Upgrade monitoring stack (#1093)

Resolves #1075

Reviewed-by: Mohammed Naser <mnaser@vexxhost.com>
diff --git a/charts/loki/Chart.yaml b/charts/loki/Chart.yaml
index cf8817b..16de80c 100644
--- a/charts/loki/Chart.yaml
+++ b/charts/loki/Chart.yaml
@@ -1,16 +1,16 @@
 apiVersion: v2
-appVersion: 2.7.3
+appVersion: 2.9.6
 dependencies:
 - alias: minio
   condition: minio.enabled
   name: minio
   repository: https://charts.min.io/
-  version: 4.0.12
+  version: 4.0.15
 - alias: grafana-agent-operator
   condition: monitoring.selfMonitoring.grafanaAgent.installOperator
   name: grafana-agent-operator
   repository: https://grafana.github.io/helm-charts
-  version: 0.2.3
+  version: 0.3.15
 description: Helm chart for Grafana Loki in simple, scalable mode
 home: https://grafana.github.io/helm-charts
 icon: https://grafana.com/docs/loki/latest/logo_and_name.png
@@ -23,4 +23,4 @@
 - https://grafana.com/oss/loki/
 - https://grafana.com/docs/loki/latest/
 type: application
-version: 4.6.1
+version: 5.47.2