ci : add LoRA test to CI (#2650)
* ci : add lora test
ggml-ci
* move lora summary to the top, add lora logs
ggml-ci
* ci : decrease CPU ppl runs to 2 to avoide 20 min timeout
ggml-ci
* add 7b lora test
use 1 thread for CUDA generation tests
ggml-ci
* add test with q8_0 (cpu only)
ggml-ci
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Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>