[CI] llama.cpp upstream canary failing repeatedly

[github-actions]

The llama.cpp upstream canary has produced two consecutive non-successful scheduled runs.

• Current: https://github.com/Mesh-LLM/mesh-llm/actions/runs/34578612906 (failure)
• Previous: https://github.com/Mesh-LLM/mesh-llm/actions/runs/34455059783 (cancelled)

Inspect the persistent runner and the earliest phase without progress before dispatching another canary.

[github-actions]

The llama.cpp upstream canary has produced two consecutive non-successful scheduled runs.

• Current: https://github.com/Mesh-LLM/mesh-llm/actions/runs/34682512631 (failure)
• Previous: https://github.com/Mesh-LLM/mesh-llm/actions/runs/34578612906 (failure)

Inspect the persistent runner and the earliest phase without progress before dispatching another canary.

[github-actions]

The llama.cpp upstream canary has produced two consecutive non-successful scheduled runs.

• Current: https://github.com/Mesh-LLM/mesh-llm/actions/runs/34747973629 (failure)
• Previous: https://github.com/Mesh-LLM/mesh-llm/actions/runs/34682512631 (failure)

Inspect the persistent runner and the earliest phase without progress before dispatching another canary.