Fix zig build lazy -> eager promotion while fetching dependencies. #23172
+28
−18
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Before, this had a subtle ordering bug where duplicate deps that are specified as both lazy and eager in different parts of the dependency tree end up not getting fetched depending on the order they're fetched in. I modified it to resubmit lazy deps that were promoted to eager for fetching so that it will be around for the builds that expect it to be eager downstream of this.
This should fix #23120