release 2.0-beta4

[longshuicy]

Release v2.0.0-beta.4, which includes the Helm chart updates that will be picked up and published automatically when the GitHub release is created.

[Copilot]

Pull Request Overview

This PR performs a version bump from 2.0.0-beta.3 to 2.0.0-beta.4 in preparation for a new beta release. The changes include updating version strings across the entire codebase and adding a comprehensive CHANGELOG entry documenting the improvements, changes, and fixes in this release.

• Version strings updated consistently from 2.0.0-beta.3 to 2.0.0-beta.4 across all configuration files
• CHANGELOG updated with detailed release notes for v2.0.0-beta.4 covering new features, changes, and fixes
• Docker images and Helm charts updated to reference the new version tag

Reviewed Changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
openapi.json	Updated API version and default version in schema definitions
frontend/src/openapi/v2/core/OpenAPI.ts	Updated VERSION constant for frontend OpenAPI client
frontend/src/app.config.ts	Updated appVersion configuration value
frontend/package.json	Bumped package version number
frontend/package-lock.json	Updated lockfile version to match package.json
docker-compose.yml	Updated Docker image tags for backend and frontend services
deployments/kubernetes/charts/clowder2/README.md	Updated example image tags in documentation
deployments/kubernetes/charts/clowder2/Chart.yaml	Updated Helm chart appVersion
backend/app/main.py	Updated FastAPI application version
backend/app/config.py	Updated version in settings configuration
CHANGELOG.md	Added comprehensive release notes for v2.0.0-beta.4

Files not reviewed (1)

• frontend/package-lock.json: Language not supported

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