Prepare changelog for 5.2.2

[afranken]

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[Copilot]

🟢 Approval recommended

No unresolved issues were identified in the reviewed changelog update.

Pull request overview

Prepares CHANGELOG.md for the 5.2.2 release, documenting storage fixes, dependency updates, and the failed 5.2.1 Java-module release.

Changes:

• Adds 5.2.2 and 5.2.1 entries to the table of contents.
• Documents Docker volume persistence fixes and dependency updates.
• Notes the 5.2.1 release issue.

File summaries

File	Description
CHANGELOG.md	Adds release notes for versions 5.2.2 and 5.2.1.

Review details

• Files reviewed: 1/1 changed files
• Comments generated: 0
• Review effort level: Lite

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