chore(deps): update caddy docker tag to v2.11.4 (#9)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| caddy | final | minor | `2.10.2-alpine` → `2.11.4-alpine` |

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Co-authored-by: Ricardo Campos <ricardompcampos@gmail.com>
Reviewed-on: #9
Co-authored-by: Renovate Bot <renovate-bot@lightroasted.vps-kinghost.net>

client/Dockerfile

@@ -14,7 +14,7 @@ RUN npm i --ignore-scripts --no-update-notifier --omit=dev && \
 
 # Deploy container
 # Caddy serves static files
-FROM caddy:2.10.2-alpine
+FROM caddy:2.11.4-alpine
 RUN apk add --no-cache ca-certificates curl
 
 # Receive build number as argument, retain as environment variable