Release ouroboros-network-0.22

[coot]

Description

• cardano-ping: support NodeToClientV_21
• cardano-ping: dropped support of versions <= NodeToClientV_15
• Bumped versions

Checklist

Quality

• Commit sequence makes sense and have useful messages, see ref.
• New tests are added and existing tests are updated.
• Self-reviewed the PR.

Maintenance

• Linked an issue or added the PR to the current sprint of ouroboros-network project.
• Added labels.
• Updated changelog files.
• The documentation has been properly updated, see ref.

[Copilot]

Pull Request Overview

This PR prepares the release of ouroboros-network-0.22 with version bumps and dependency updates across multiple components. Key changes include:

• Bumping versions for ouroboros-network, ouroboros-network-testing, ouroboros-network-protocols, ouroboros-network-framework, ouroboros-network-api, network-mux, decentralized-message-queue, cardano-ping, and cardano-client.
• Adding support for NodeToClientVersionV21 in cardano-ping and dropping support for older NodeToClient versions (<= V15).
• Updating changelogs to document breaking and non-breaking changes in line with the new release.

Reviewed Changes

Copilot reviewed 18 out of 18 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
ouroboros-network/ouroboros-network.cabal	Bump version and update dependency constraints.
ouroboros-network/CHANGELOG.md	Update release notes for version 0.22.0.0.
ouroboros-network-testing/*.cabal, CHANGELOG.md	Bump testing versions and update changelog.
ouroboros-network-protocols/*.cabal, CHANGELOG.md	Bump version and update dependency for protocols.
ouroboros-network-framework/*.cabal, CHANGELOG.md	Bump version and update dependencies.
ouroboros-network-api/*.cabal, CHANGELOG.md	Bump version and update dependency for network API.
network-mux/*.cabal, CHANGELOG.md	Bump version and update changelog for network-mux.
decentralized-message-queue/*.cabal	Bump dependency on network-mux and ouroboros-network.
cardano-ping/src/Cardano/Network/Ping.hs	Update supported NodeToClient versions and CBOR encoding.
cardano-ping/*.cabal, CHANGELOG.md	Bump version, update dependencies, and changelog.
cardano-client/*.cabal, CHANGELOG.md	Bump version and update dependency constraints.

[karknu]

Please don't remove support for older NodeToClient versions in cardano-ping.
It a tool for troubleshooting and being able to talk to older nodes is convenient.

[karknu]

LGTM