chore(helm): update image docker.io/cthulhoo/ttrss-web-nginx digest to 622373e (#29865)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/cthulhoo/ttrss-web-nginx | digest | `7526386` -> `622373e` |

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charts/stable/tt-rss/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://hub.docker.com/r/cthulhoo/ttrss-fpm-pgsql-static
   - https://hub.docker.com/r/cthulhoo/ttrss-web-nginx
 type: application
-version: 18.2.30
+version: 18.2.31

charts/stable/tt-rss/values.yaml

@@ -5,7 +5,7 @@ image:
 nginxImage:
   repository: docker.io/cthulhoo/ttrss-web-nginx
   pullPolicy: IfNotPresent
-  tag: latest@sha256:7526386215bf4fef0c713ca1d008bd6cb8d7fa26274c119b8c9ff5609ac3855c
+  tag: latest@sha256:622373eae4b48c1a0a457a3c0c924b0460fd9d59d5332340374da7a4d1eac3df
 updaterImage:
   repository: docker.io/cthulhoo/ttrss-fpm-pgsql-static
   pullPolicy: IfNotPresent