chore: remove unnecessary/unsafe permissions to gen_ai_review #813

Job	Run time
tests / tests	34s
build_artifacts (darwin, amd64) / artifacts	1m 17s
build_artifacts (linux, amd64) / artifacts	2m 41s
build_artifacts (darwin, arm64) / artifacts	1m 15s
build_artifacts (linux, arm64) / artifacts	1m 59s
	7m 46s

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