Whisper pipeline: use Sampler (#1615) #7299

Job	Run time
cpp-beam_search_causal_lm-Phi-2	16m 55s
cpp-beam_search_causal_lm-notus-7b-v1	14m 34s
cpp-beam_search_causal_lm-ubuntu (./build/samples/cpp/text_generation/beam_search_causal_lm)	19m 5s
cpp-greedy_causal_lm-Qwen-7B-Chat	11m 11s
cpp-beam_search_causal_lm-Qwen1_5-7B-Chat	33m 45s
cpp-greedy_causal_lm-windows	28m 6s
cpp-beam_search_causal_lm-ubuntu (python ./samples/python/text_generation/beam_search_causal_lm.py)	18m 9s
cpp-prompt_lookup_decoding_lm-ubuntu	9m 45s
cpp-Phi-1_5	9m 44s
cpp-speculative_decoding_lm-ubuntu	12m 34s
cpp-multinomial-greedy_causal_lm-ubuntu	13m 53s
cpp-chat_sample-ubuntu	14m 32s
cpp-greedy_causal_lm-redpajama-3b-chat	11m 48s
visual_language_chat_sample-ubuntu-internvl2	15m 15s
visual_language_chat_sample-ubuntu-minicpm_v2_6	7m 24s
cpp-continuous-batching-macos	16m 16s
cpp-continuous-batching-ubuntu	14m 3s
cpp-continuous-batching-windows	27m 54s
visual_language_chat_sample-ubuntu-qwen2vl	17m 11s
visual_language_chat_sample-ubuntu-llava_1_5 / visual_language_chat_sample-ubuntu-llava	13m 39s
visual_language_chat_sample-ubuntu-llava_next / visual_language_chat_sample-ubuntu-llava	35m 53s
ci/gha_overall_status_causal_lm	1s
	6h 1m 37s

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