Merge branch 'update-grafana-tag-8.6.0-bb.0' into 'master'

grafana update to 8.6.0-bb.0, loki update to 6.18.0-bb.3

Closes big-bang/product/packages/grafana#121

See merge request !5410

chart/values.yaml

@@ -701,11 +701,11 @@ loki:
   git:
     repo: https://repo1.dso.mil/big-bang/product/packages/loki.git
     path: "./chart"
-    tag: "6.18.0-bb.1"
+    tag: "6.18.0-bb.3"
   helmRepo:
     repoName: "registry1"
     chartName: "loki"
-    tag: "6.18.0-bb.1"
+    tag: "6.18.0-bb.3"
 
   # -- Flux reconciliation overrides specifically for the Loki Package
   flux: {}
@@ -933,11 +933,11 @@ grafana:
   git:
     repo: https://repo1.dso.mil/big-bang/product/packages/grafana.git
     path: "./chart"
-    tag: "8.5.5-bb.0"
+    tag: "8.6.0-bb.0"
   helmRepo:
     repoName: "registry1"
     chartName: "grafana"
-    tag: "8.5.5-bb.0"
+    tag: "8.6.0-bb.0"
 
   # -- Flux reconciliation overrides specifically for the Monitoring Package
   flux: {}