Proto commits in google/shell-encryption

These 11 commits are when the Protocol Buffers files have changed:

Commit:1d69680
Author:Phillipp Schoppmann
Committer:Phillipp Schoppmann

Update Module.bazel.lock and export internal changes PiperOrigin-RevId: 850451642

The documentation is generated from this commit.

Commit:e8d7869
Author:Baiyu Li

Add rust protobuf

Commit:24dd2f1
Author:Victor Hugo Vianna Silva
Committer:Victor Hugo Vianna Silva

Upstream fixes necessary to build with chromium - Make the protos use LITE_RUNTIME Bug: crbug.com/450865297

Commit:b71ee1e
Author:Phillipp Schoppmann
Committer:GitHub

Add multi-party homomorphic encryption scheme (#21) * Add multi-party homomorphic encryption scheme Also includes various improvements and updated dependencies. * Fix copyright year for new files

Commit:42abc08
Author:Baiyu Li

recent updates in the shell library - public key encryption for BGV/BFV - Preprocessing random pads in homomorphic automorphism computation - Discrete Gaussian and uniform ternary samplers - Serialization support for the RNS variants - absl::uint128 related changes

Commit:779bcfa
Author:Jim Choncholas

Push new version of SHELL Encryption Library. Includes build fixes for tink dependencies.

Commit:4f94d24
Author:Kevin Yeo

Push small bug fixes.

Commit:fc59036
Author:Kevin Yeo

Re-factor library to prepend with shell_encryption/.

Commit:8be47fa
Author:Kevin Yeo

Push new version of SHELL Encryption Library.

Commit:ac3d022
Author:Kevin Yeo

Push new version of Shell library.

Commit:43ee650
Author:Karn Seth

First Commit