[tryspaceorg/tryspace-lab#47] Change to versioned container;

[jlucas9]

No description provided.

[Copilot]

Pull Request Overview

Changes the Docker container image reference from tryspaceorg/tryspace-lab:latest to a versioned tag tryspaceorg/tryspace-lab:0.0.0 to improve build reproducibility and stability.

• Updates container image references across Docker files and CI configuration to use specific version tag
• Adds dynamic parallel job calculation to optimize build performance on different systems
• Maintains consistent versioning across all build and test environments

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
test/Dockerfile.server	Updates base image to use versioned tag instead of latest
test/Dockerfile.director	Updates base image to use versioned tag instead of latest
Makefile	Changes BUILD_IMAGE variable and adds dynamic job calculation logic
.github/workflows/ci.yml	Updates CI container images to use versioned tag

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