build(deps): Bump github.com/cometbft/cometbft from 1.0.0-alpha.2.0.20240429102542-490e9bc3de65 to 1.0.0-rc2

[dependabot]

Bumps github.com/cometbft/cometbft from 1.0.0-alpha.2.0.20240429102542-490e9bc3de65 to 1.0.0-rc2.

Release notes

Sourced from github.com/cometbft/cometbft's releases.

v1.0.0-rc2

See the CHANGELOG for changes available in this pre-release, but not yet officially released.

v1.0.0-rc1

See the CHANGELOG for changes available in this pre-release, but not yet officially released.

Changelog

Sourced from github.com/cometbft/cometbft's changelog.

CHANGELOG

Unreleased

November 20, 2024

This is a major release of CometBFT that includes several substantial changes that aim to reduce bandwidth consumption, enable modularity, improve integrators' experience and increase the velocity of the CometBFT development team, including:

1. Proposer-Based Timestamps (PBTS) support. PBTS is a Byzantine fault-tolerant algorithm used by CometBFT for computing block times. When activated on a chain, it replaces the pre-existing BFT-time algorithm. See spec doc for PBTS.
2. Validators now proactively communicate the block parts they already have so others do not resend them, reducing amplification in the network and reducing bandwidth consumption.
3. An experimental feature in the mempool that allows limiting the number of peers to which transactions are forwarded, allowing operators to optimize gossip-related bandwidth consumption further.
4. An opt-in nop mempool, which allows application developers to turn off all mempool-related functionality in Comet such that they can build their own transaction dissemination mechanism, for example a standalone mempool-like process that can be scaled independently of the consensus engine/application. This requires application developers to implement their own gossip/networking mechanisms. See ADR 111 for details.
5. The first officially supported release of the data companion API.
6. Versioning of both the Protobuf definitions and RPC. By versioning our APIs, we aim to provide a level of commitment to API stability while simultaneously affording ourselves the ability to roll out substantial changes in non-breaking releases of CometBFT. See ADR 103 and ADR 107.
7. Moving many Go packages that are currently publicly accessible into the internal directory such that the team can roll out substantial changes in future without needing to worry about causing breakages in users' codebases. The massive surface area of previous versions has in the past significantly hampered the team's ability to roll out impactful new changes to users, as previously such changes required a new breaking release (which currently takes 6 to 12 months to reach production use for many users). See ADR 109 for more details.

None of these changes are state machine-breaking for CometBFT-based networks, but could be breaking for some users who depend on the Protobuf definitions type URLs.

See the upgrading guidelines and the specific changes below for more details. In this release,

... (truncated)

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