Add zlib-dev dependency

Dockerfile

@@ -5,4 +5,4 @@ LABEL maintainer="vladimir@hodakov.me"
 COPY --from=lab.wtfteam.pro:4567/containers/tdlib /usr/local/include/td /usr/local/include/td
 COPY --from=lab.wtfteam.pro:4567/containers/tdlib /usr/local/lib/libtd* /usr/local/lib/
 
-RUN apk update && apk add --no-cache git gcc libc-dev g++ make openssl-dev && rm -rf /var/cache/apk/*
+RUN apk update && apk add --no-cache git gcc libc-dev g++ make openssl-dev zlib-dev && rm -rf /var/cache/apk/*