chore(helm): update image docker.io/cthulhoo/ttrss-web-nginx digest to 4a5d1f5 (#34141)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/cthulhoo/ttrss-web-nginx | digest | `f9478b4` -> `4a5d1f5` |

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charts/stable/tt-rss/Chart.yaml

@@ -37,5 +37,5 @@ sources:
   - https://hub.docker.com/r/cthulhoo/ttrss-fpm-pgsql-static
   - https://hub.docker.com/r/cthulhoo/ttrss-web-nginx
 type: application
-version: 18.5.38
+version: 18.5.39
 

charts/stable/tt-rss/values.yaml

@@ -5,7 +5,7 @@ image:
 nginxImage:
   repository: docker.io/cthulhoo/ttrss-web-nginx
   pullPolicy: IfNotPresent
-  tag: latest@sha256:f9478b4c5e35c34455e377ae4a427b29114128e1450f752cef53d076591d94cf
+  tag: latest@sha256:4a5d1f56f97d21a1ffe0ee7d486eeb5b762f380c406939ff5fe3014b345a2a53
 updaterImage:
   repository: docker.io/cthulhoo/ttrss-fpm-pgsql-static
   pullPolicy: IfNotPresent