loki update to 5.31.0-bb.4

chart/values.yaml

@@ -687,11 +687,11 @@ loki:
   git:
     repo: https://repo1.dso.mil/big-bang/product/packages/loki.git
     path: "./chart"
-    tag: "5.31.0-bb.3"
+    tag: "5.31.0-bb.4"
   helmRepo:
     repoName: "registry1"
     chartName: "loki"
-    tag: "5.31.0-bb.3"
+    tag: "5.31.0-bb.4"
 
   # -- Flux reconciliation overrides specifically for the Loki Package
   flux: {}