Enable 4BIT_MAXIMUM compression option #484

Job	Run time
cpp-beam_search_causal_lm-notus-7b-v1	4m 44s
cpp-beam_search_causal_lm-Phi-2	3m 42s
cpp-beam_search_causal_lm-Mistral-7B	5m 10s
cpp-beam_search_causal_lm-Qwen1_5-7B-Chat	4m 56s
cpp-beam_search_causal_lm-Qwen-7B-Chat	7m 57s
cpp-beam_search_causal_lm-ubuntu	6m 4s
cpp-beam_search_causal_lm-windows	11m 24s
cpp-greedy_causal_lm-ubuntu	4m 0s
cpp-Phi-1_5	3m 58s
cpp-speculative_decoding_lm-ubuntu	11m 56s
	1h 3m 51s

Provide feedback