ci: 🤦🏾 ♂️ move "LABEL" directives to correct stage for server Dockerfile, add "LABEL" directives to symbols dockerfile
Created by: ggilmore
This PR:
- Moves the "LABEL" directive to the correct stage in the server Dockerfile (they were previously thrown away since the server Dockerfile is a multi-stage build)
- Adds missing "LABEL" directives to the symbol dockerfile