refactor: user friendly name for proxy address

[rsdmike]

PR Checklist

• Unit Tests have been added for new changes
• API tests have been updated if applicable
• All commented code has been removed
• If you've added a dependency, you've ensured license is compatible with Apache 2.0 and clearly outlined the added dependency.

What are you changing?

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If the there are associated PRs in other repositories, please link them here (i.e. device-management-toolkit/repo#365 )

[Copilot]

Pull Request Overview

This PR refactors the proxy configuration API to use a more user-friendly field name by changing accessInfo to address for proxy server addresses.

• Renamed accessInfo field to address throughout the codebase for better clarity
• Updated database schema to use address column instead of accessInfo
• Modified validation logic and test cases to reflect the new field name

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/test/collections/rps.postman_collection.json	Updated API test collection to use address field in requests and assertions
src/stateMachines/ciraConfiguration.ts	Changed AMT.Models.MPServer property from AccessInfo to address
src/routes/admin/proxy/proxyValidator.ts	Updated validation rules to check address field instead of accessInfo
src/models/RCS.Config.ts	Updated interface definitions and comments to use address terminology
src/data/postgres/tables/proxyConfigs.ts	Modified database queries to use address column and updated field mappings
src/data/postgres/tables/proxyConfigs.test.ts	Updated test cases to use address field in mock data and assertions
data/init.sql	Changed database schema to use address column and updated constraint names

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[RosieAMT]

🎉 This PR is included in version 2.28.0 🎉

The release is available on:

• GitHub release
• v2.28.0

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