feat(container): update image ghcr.io/nginxinc/nginx-unprivileged to v1.27.0 (#6346)

| datasource | package                             | from   | to     |
| ---------- | ----------------------------------- | ------ | ------ |
| docker     | ghcr.io/nginxinc/nginx-unprivileged | 1.26.0 | 1.27.0 |

Co-authored-by: rosey-the-renovator-bot[bot] <98764075+rosey-the-renovator-bot[bot]@users.noreply.github.com>

Author: rosey-the-renovator-bot[bot]

kubernetes/main/apps/monitoring/loki/app/helmrelease.yaml

@@ -109,7 +109,7 @@ spec:
       image:
         registry: ghcr.io
         repository: nginxinc/nginx-unprivileged
-        tag: 1.26.0-alpine@sha256:b8712972bd9d95776fabc8198b527ba7b5539a2bf7e05c1951d2369cf89e2c67
+        tag: 1.27.0-alpine@sha256:eefb9899d2ce71373a8c1084806a0c17e977674c8875c5690406174b4562daa2
       deploymentStrategy:
         type: RollingUpdate
         rollingUpdate: