chore(deps): update container image cthulhoo/ttrss-web-nginx to latest@a9c4b19 by renovate (#19683)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| cthulhoo/ttrss-web-nginx | digest | `cde5998` -> `a9c4b19` |

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This PR has been generated by [Renovate
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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4yNjcuMSIsInVwZGF0ZWRJblZlciI6IjM3LjI2Ny4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/stable/tt-rss/Chart.yaml

@@ -23,7 +23,7 @@ icon: https://truecharts.org/img/hotlink-ok/chart-icons/tt-rss.png
 keywords:
   - tt-rss
   - rss
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -35,4 +35,4 @@ sources:
   - https://hub.docker.com/r/cthulhoo/ttrss-fpm-pgsql-static
   - https://hub.docker.com/r/cthulhoo/ttrss-web-nginx
 type: application
-version: 16.7.4
+version: 16.7.5

charts/stable/tt-rss/values.yaml

@@ -5,7 +5,7 @@ image:
 nginxImage:
   repository: cthulhoo/ttrss-web-nginx
   pullPolicy: IfNotPresent
-  tag: latest@sha256:cde5998cc285cc6fb6973d279f0697c01a356b809aec0daf2712cf31654c9df8
+  tag: latest@sha256:a9c4b19b58591ec160d399e8c3e38eb4fa49b93b774843d24a971e6e7dfe139b
 updaterImage:
   repository: cthulhoo/ttrss-fpm-pgsql-static
   pullPolicy: IfNotPresent