chore: prepare v2 beta (1/3)

[julienrbrt]

Description

Prepares v2 for tagging. After this PR I'll remove the replaces and ready to tag.

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Author Checklist

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please add links to any relevant follow up issues.

I have...

• included the correct type prefix in the PR title, you can find examples of the prefixes below:
• confirmed ! in the type prefix if API or client breaking change
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• reviewed "Files changed" and left comments if necessary
• included the necessary unit and integration tests
• added a changelog entry to CHANGELOG.md
• updated the relevant documentation or specification, including comments for documenting Go code
• confirmed all CI checks have passed

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• reviewed state machine logic, API design and naming, documentation is accurate, tests and test coverage

[coderabbitai]

📝 Walkthrough

Walkthrough

This pull request introduces structured changelogs for multiple modules within the Cosmos SDK, specifically for server/v2, server/v2/appmanager, server/v2/cometbft, server/v2/stf, and store/v2. The changelogs follow a consistent format with an "Unreleased" section and version-specific entries, adhering to Semantic Versioning principles. Each changelog includes guiding principles for maintaining human-readable entries, with links to GitHub releases and a focus on documenting the initial tags for these modules.

Changes

File	Change Summary
server/v2/CHANGELOG.md	Added [Unreleased] section and v2.0.0-beta.1 version entry
server/v2/appmanager/CHANGELOG.md	Added [Unreleased] section and v1.0.0-beta.1 version entry with initial tag description
server/v2/cometbft/CHANGELOG.md	Added [Unreleased] section, v1.0.0-beta.1 version entry, and guiding principles
server/v2/stf/CHANGELOG.md	Added [Unreleased] section, v1.0.0-beta.1 version entry, and usage instructions
store/v2/CHANGELOG.md	Added v2.0.0-beta.1 version entry with initial tag description

Possibly related PRs

• chore: sync changelog with latest releases #21658: Updates changelog to synchronize with latest releases
• chore: bring v0.52.0-beta.2 changelog to main #22188: Updates changelog for v0.52.0-beta.2
• chore(x/tx): update changelog to alpha.2 #22465: Updates changelog for alpha.2 release
• chore: prepare core changelog #22495: Prepares changelog for core components
• chore: add v0.47.15 and v0.50.11 changelog to main #22911: Adds changelog entries for v0.47.15 and v0.50.11

Suggested labels

C:server/v2, C:server/v2 appmanager, C:server/v2 cometbft, C:server/v2 stf, C:Store

Suggested reviewers

• sontrinh16
• akhilkumarpilli
• kocubinski
• facundomedica

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📜 Recent review details

Configuration used: .coderabbit.yml
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 4f5c3d8 and abf0f0a.

📒 Files selected for processing (5)

• server/v2/CHANGELOG.md (1 hunks)
• server/v2/appmanager/CHANGELOG.md (1 hunks)
• server/v2/cometbft/CHANGELOG.md (1 hunks)
• server/v2/stf/CHANGELOG.md (1 hunks)
• store/v2/CHANGELOG.md (1 hunks)

✅ Files skipped from review due to trivial changes (5)

• server/v2/appmanager/CHANGELOG.md
• server/v2/CHANGELOG.md
• server/v2/stf/CHANGELOG.md
• store/v2/CHANGELOG.md
• server/v2/cometbft/CHANGELOG.md

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