chore(tt-rss): update image ghcr.io/tt-rss/tt-rss digest to 8c27ccd (#47472)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/tt-rss/tt-rss | digest | `f5ffd21` → `8c27ccd` |

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charts/stable/tt-rss/Chart.yaml

@@ -37,5 +37,5 @@ sources:
   - https://git.tt-rss.org/fox/tt-rss
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/tt-rss
 type: application
-version: 21.1.2
+version: 21.1.4
 

charts/stable/tt-rss/values.yaml

@@ -2,7 +2,7 @@
 image:
   repository: ghcr.io/tt-rss/tt-rss
   pullPolicy: IfNotPresent
-  tag: latest@sha256:f5ffd21786c3b0e43333cd17b702e7032afd9c6b4c2d16948e8f9eb29abffa64
+  tag: latest@sha256:8c27ccd0cb176905d3689273dd1445f7dc7bed349d6b35114b4af3b060e2f7a2
 nginxImage:
   repository: ghcr.io/tt-rss/tt-rss-web-nginx
   pullPolicy: IfNotPresent
@@ -10,7 +10,7 @@ nginxImage:
 updaterImage:
   repository: ghcr.io/tt-rss/tt-rss
   pullPolicy: IfNotPresent
-  tag: latest@sha256:f5ffd21786c3b0e43333cd17b702e7032afd9c6b4c2d16948e8f9eb29abffa64
+  tag: latest@sha256:8c27ccd0cb176905d3689273dd1445f7dc7bed349d6b35114b4af3b060e2f7a2
 
 securityContext:
   container: