deps: Slight upgrade of Flow-related deps.

Done with the following command:

yarn upgrade -- $(tools/deps | grep flow) && yarn yarn-deduplicate && yarn

No problems this time! See discussion [1].

[1] https://chat.zulip.org/#narrow/stream/243-mobile-team/topic/changes.20in.20generatedEs3.2Ejs/near/935899

Author: chrisbobbe