Add documentation and sample on KV cache eviction #8529

Job	Run time
Download prebuilt OpenVINO	1m 2s
Build Node.js bindings	27m 19s
genai cpack (Release)	23m 37s
genai wheel	28m 2s
genai cpack (Debug)	21m 44s
Build Samples - Release	4m 36s
Build Samples - Debug	3m 32s
Python (Whisper) Tests (wheel)	32m 36s
Python (Cacheopt E2E) Tests (wheel)	10m 46s
Tools tests (Release)	15m 16s
Python (LLM & VLM) Tests (wheel)	21m 17s
Python (Tokenizer tests) Tests (wheel)	17m 55s
Python (API tests) Tests (wheel)	30m 24s
Node.js bindings tests	1m 37s
Samples LLM (Release)	23m 42s
Samples Whisper (Release)	13m 52s
Samples Image generation (Release)	45m 45s
ci/gha_overall_status_windows	1s
	5h 23m 3s

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