Merge branch 'update-loki-tag-6.6.4-bb.6' into 'master'

loki update to 6.6.4-bb.6

Closes big-bang/product/packages/loki#191

See merge request !4748

chart/values.yaml

@@ -701,11 +701,11 @@ loki:
   git:
     repo: https://repo1.dso.mil/big-bang/product/packages/loki.git
     path: "./chart"
-    tag: "6.6.4-bb.5"
+    tag: "6.6.4-bb.6"
   helmRepo:
     repoName: "registry1"
     chartName: "loki"
-    tag: "6.6.4-bb.5"
+    tag: "6.6.4-bb.6"
 
   # -- Flux reconciliation overrides specifically for the Loki Package
   flux: {}

tests/test-values.yaml

@@ -917,6 +917,7 @@ loki:
                 - 'cdn.cypress.io'
                 - 'repo1.dso.mil'
                 - 'grafana.dev.bigbang.mil'
+                - 'optimizationguide-pa.googleapis.com'
               location: MESH_EXTERNAL
               ports:
                 - number: 443