fix(container): update image ghcr.io/stirling-tools/stirling-pdf to v2.5.3

Author: roybatty-bot[bot]

cluster/apps/home/stirling-pdf/app/helm-release.yaml

@@ -30,7 +30,7 @@ spec:
           app:
             image:
               repository: ghcr.io/stirling-tools/stirling-pdf
-              tag: 2.5.0-fat@sha256:6c671ef6757292b35c5c031e581157b1f82f0951827232bb81307cc53acc5cf3
+              tag: 2.5.3-fat@sha256:cc9b8f0fd49f663ad8cedc26884fddec2dbbb819a0e21d265efcf8d239fbb837
               pullPolicy: IfNotPresent
             env:
               TZ: ${TIMEZONE}