[ANNOUNCE] urbit-os-v1.0.51

[Liam]

This release will be pushed to the network as an over-the-air update.

Base hash (check with +trouble):

0v1t.po1uk.p5bh7.qetd5.su3kc.8stfj.gll65.svjpt.4bpel.cmpbq.8q5mn

Release notes:

- Corrects an error in the state migration for metadata store, which caused chat, publish and links to spontaneously kick users from channels. If affected by this issue, you will have to rejoin these channels

Fang (2):

      glob: update to 0v5.6e3d0.3hm4q.iib09.rb2jb.9h4k4

      glob: update hash correctly

Liam Fitzgerald (1):

      metadata-store: rebuild indices

fang (1):

      Merge pull request #3566 from urbit/lf/hotfix-md-indices