chore(helm): Update loki and tempo

They have new helm-chart repos.

Author: NickLarsenNZ

stacks/observability/grafana-loki.yaml

@@ -3,12 +3,12 @@
 releaseName: loki
 name: loki
 repo:
-  name: loki
-  url: https://grafana.github.io/helm-charts
+  name: grafana-community
+  url: https://grafana-community.github.io/helm-charts
 # To find the latest version:
-# helm repo add grafana https://grafana.github.io/helm-charts --force-update
+# helm repo add grafana-community https://grafana-community.github.io/helm-charts --force-update
 # helm search repo grafana/loki
-version: 7.0.0 # appVersion: 3.6.7
+version: 18.4.2 # appVersion: 3.7.3
 options:
   deploymentMode: SingleBinary
   singleBinary:

stacks/observability/grafana-tempo.yaml

@@ -3,14 +3,12 @@
 releaseName: tempo
 name: tempo
 repo:
-  name: tempo
-  url: https://grafana.github.io/helm-charts
-# Watch out for https://github.com/grafana/helm-charts/issues/3417
-# Workaround at: https://github.com/grafana/helm-charts/issues/3660#issuecomment-3007113458
+  name: grafana-community
+  url: https://grafana-community.github.io/helm-charts
 # To find the latest version:
-# helm repo add grafana https://grafana.github.io/helm-charts --force-update
-# helm search repo grafana/tempo
-version: 1.24.4 # appVersion: 2.9.0
+# helm repo add grafana-community https://grafana-community.github.io/helm-charts --force-update
+# helm search repo grafana-community/tempo
+version: 2.2.3 # appVersion: 2.10.7
 options:
   global:
     commonLabels: