Add libpq-dev

Dockerfile

 FROM debian:11-slim
 
-ARG BUILD_PACKAGES="build-essential cmake gcc libffi-dev libmemcached-dev libssl-dev zlib1g-dev"
+ARG BUILD_PACKAGES="build-essential cmake gcc libffi-dev libmemcached-dev libssl-dev zlib1g-dev libpq-dev"
 
 RUN set -ex \
     && apt update && apt-get install -y --no-install-recommends \
@@ -9,7 +9,6 @@ RUN set -ex \
     libxml2 \
     python3 \
     python3-pip \
-    && pip3 install --upgrade pip \
     && curl -LJO https://code.getnoc.com/noc/noc/-/raw/master/requirements.txt \
     && pip3 install -r requirements.txt \
     && pip3 install \