feat(container): update image gotenberg/gotenberg to 8.23.1

Author: rust84-bot[bot]

kubernetes/apps/selfhosted/paperless/app/helmrelease.yaml

@@ -85,7 +85,7 @@ spec:
           gotenberg:
             image:
               repository: gotenberg/gotenberg
-              tag: 8.21.1
+              tag: 8.23.1
               pullPolicy: IfNotPresent
             ports:
               - containerPort: 3000