add Gemma3 LLM to supported models #8437

Job	Run time
Download prebuilt OpenVINO	1m 6s
Build Node.js bindings	28m 18s
genai cpack (Release)	23m 8s
genai wheel	26m 7s
genai cpack (Debug)	24m 36s
Build Samples - Release	4m 40s
Build Samples - Debug	3m 35s
Tools tests (Release)	13m 44s
Python (Whisper) Tests (wheel)	32m 9s
Python (Cacheopt E2E) Tests (wheel)	7m 32s
Python (LLM & VLM) Tests (wheel)	19m 50s
Python (Tokenizer tests) Tests (wheel)	17m 14s
Python (API tests) Tests (wheel)	27m 9s
Node.js bindings tests	1m 28s
Samples LLM (Release)	23m 0s
Samples Whisper (Release)	11m 56s
Samples Image generation (Release)	47m 52s
ci/gha_overall_status_windows	1s
	5h 13m 25s

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