chore(tooling): align container workflows and formatting

[f2calv]

Related Issue

No related issue exists; none was created solely for this pull request.

Summary

• route build entry points through the shared container workflow implementation
• update workload-chart documentation consistently with sibling repositories
• generate the shared Rust EditorConfig profile and normalize development configuration

Validation

• generated EditorConfig drift and text-hygiene checks passed
• changed JSON parsed successfully
• git diff --check and privacy scan passed
• Cargo tests and production multi-architecture image builds were not rerun

Checklist

• No related issue exists; none was created solely for workflow compliance.
• The pull request contains no unrelated changes.
• Tests and documentation are updated where behavior or public interfaces changed.
• No credentials, personal data or private-system details are included.
• Breaking changes, migrations and operational follow-up are called out.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud