Updating submodules
Summary:
GitHub commits:
https://github.com/facebook/fbthrift/commit/d67d5685657b5744462e272cc855583b3efe0232
https://github.com/facebook/folly/commit/6472821406be180e44ca18dde8fd729d32ba4c3c
https://github.com/facebook/proxygen/commit/10a3d74cc45d7067c75f4c44009d475bbba5a95f
https://github.com/facebook/watchman/commit/10957464dfc2b8142cc63db94ddb5adff382b9a1
https://github.com/facebookincubator/katran/commit/b2ab01c578455d01412fc336311720d91ee8a598
https://github.com/facebookincubator/mvfst/commit/06943d59da43da2e9c5751acf578feb6748044af
https://github.com/pytorch/fbgemm/commit/218b4636478c43b3608f87fa9d6cf94688b26ebf
Test Plan: n/a
Reviewed By: wittgenst
fbshipit-source-id: af0d8f75f6ee6ac9e67812fcd6206070f74f3f49
