feat: Upgrade monitoring stack (#1071)

diff --git a/charts/loki/Chart.lock b/charts/loki/Chart.lock
index 547f0f0..e8c779c 100644
--- a/charts/loki/Chart.lock
+++ b/charts/loki/Chart.lock
@@ -1,9 +1,9 @@
 dependencies:
 - name: minio
   repository: https://charts.min.io/
-  version: 4.0.12
+  version: 4.0.15
 - name: grafana-agent-operator
   repository: https://grafana.github.io/helm-charts
-  version: 0.2.3
-digest: sha256:74ef214ca08874662ab403a2e5eea39df26ad690962fa19f9ff69cf551550ff2
-generated: "2022-09-14T10:22:56.1397723-06:00"
+  version: 0.3.15
+digest: sha256:b7a42cd0e56544f6168a586fde03e26c801bb20cf69bc004a8f6000d93b98100
+generated: "2024-01-27T21:57:28.190462917+05:30"