Merge pull request #22 from bytes-zone/renovate/caddy-2.x

Update caddy Docker tag to v2.11.1

Author: BrianHicks

Dockerfile

@@ -8,7 +8,7 @@ COPY src /app/src
 WORKDIR /app
 RUN elm make src/Main.elm --output dist/index.html
 
-FROM caddy:2.10.2-alpine
+FROM caddy:2.11.1-alpine
 COPY --from=build /app/dist/index.html /public/index.html
 COPY Caddyfile /srv
 CMD ["caddy", "run"]