Commits on Jan 7, 2022

1. Universe: use Relay 13 and the new Rust Compiler …

   This commit upgrades Relay to version 13 and switches from the old
   Relay Compiler to the new Rust one (since both things go together).
   
   Basically, the main change is that now we have only one Relay config
   for the whole monorepo and the compiler is being executed for the whole
   monorepo as well (while being much faster). Additionally, Relay support
   is directly integrated into Flow so in many cases I simply removed
   previous Flow types (see `useLazyLoadQuery` and `useFragment`).
   
   There is still ongoing effort to improve the Flow types in Relay so not
   everything is finalized. For this reason I decided to use "Compat" types
   mode. Similarly, some hooks (`useMutation` and `usePreloadedQuery` for
   example) still require explicit types information so I didn't change
   these yet. Regardless of that, we are pretty close to use "Final" types.
   We just need to wait for the Relay team to finish everything.
   
   Many issues were already resolved but there are still some that need to
   be fixed (not blocking this PR):
   
   - facebook/relay#3700
   - relayjs/eslint-plugin-relay#131
   - prettier/prettier#6102
   
   Important links with additional information:
   
   - https://relay.dev/blog/2021/12/08/introducing-the-new-relay-compiler/
   - https://github.com/facebook/relay/releases/tag/v13.0.0
   - https://github.com/facebook/relay/releases/tag/v13.0.0-rc.0
   - https://github.com/facebook/relay/releases/tag/v13.0.0-rc.1
   - https://github.com/facebook/relay/releases/tag/v13.0.0-rc.2

   

   mrtnzlml committed Jan 7, 2022
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