Switch to bookworm debian version. Update golang to 1.21.0

deploy/build_env/services-linux/Dockerfile

-FROM golang:1.17.6-bullseye
+FROM golang:1.21.0-bookworm
 
 RUN curl -fsSL https://apt.releases.hashicorp.com/gpg  | gpg --dearmor > /usr/share/keyrings/nomad-hashicorp-archive-keyring.gpg
 RUN echo "deb [arch=amd64 signed-by=/usr/share/keyrings/nomad-hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com bullseye main" >> /etc/apt/sources.list

receiver/docker/Dockerfile

-FROM debian:bullseye
+FROM debian:bookworm
 
 RUN set -eux; \
 	apt-get update; \