Proto commits in deephaven/barrage

These 4 commits are when the Protocol Buffers files have changed:

Commit:ff4e5c6
Author:Colin Alworth
Committer:GitHub

Update to arrow-java 18.3.0, plus transitive dependencies (#51) Moves gRPC to 1.76.2, which is past what arrow calls for, but this resolves a classpath issue that can take place with certain netty versions.

The documentation is generated from this commit.

Commit:47b4da1
Author:Nate Bauernfeind
Committer:GitHub

Create flatbuffer structures for app_metadata migration (#5) Co-authored-by: Colin Alworth <colin@colinalworth.com>

Commit:d5ed6c0
Author:Nathaniel Bauernfeind

Include Flight.proto w/client-stream support; drop Barrage.proto

Commit:a81a6cc
Author:Nathaniel Bauernfeind
Committer:Nathaniel Bauernfeind

Initial Barrage Documentation