ci: create gemini code reviewer configuration #3169

Job	Run time
list	22s
workflow (build-cli)	1m 42s
workflow (modules-builder-tests)	1m 53s
workflow (devkit-core-tests-rerun)	1m 53s
workflow (build-unit-tests)	2m 39s
workflow (devkit-core-tests)	1m 30s
	9m 59s

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