Promtail update to 6.10.0-bb.0

This MR contains the following updates:

Package	Update	Change
ironbank/opensource/grafana/promtail	patch	v2.7.1 -> v2.7.5
registry1.dso.mil/ironbank/opensource/grafana/promtail	patch	v2.7.1 -> v2.7.5

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chart/ci/service-values.yaml

@@ -8,6 +8,9 @@ extraPorts:
   httpPush:
     name: http-push
     containerPort: 3500
+    ingress:
+      hosts:
+        - chart-example.local
   grpcPush:
     name: grpc-push
     containerPort: 3600