0.20.2

Updated example docker compose and Kubernetes manifests to mount the custom pacman configs into the container.

Added ca-certificates and ca-certificates-utils to the base packages in the sandbox.

https://hub.docker.com/repository/docker/seifane/aur-build-server/tags/0.20.2-worker/sha256-557342df8266bd59d2ef7665a07449913706cb59dba31957dc8a665d1fc066dc

https://hub.docker.com/repository/docker/seifane/aur-build-server/tags/0.20.2-server/sha256-9ec4625ff704aab0ddedd3114c3c51929c9dd507ef73f8a4272fb10409526c73