Implement Azure Store

[Katianna1800]

Description

This change introduces support for Azure Blob Storage as a backend store implementation. It mirrors the functionality and structure of the existing S3Store, including support for upload, download, retries, and health checks. It also adds a test suite and environment variable-based configuration for local and CI testing.

Fixes claim #1542 (issue)

Type of change

Please delete options that aren't relevant.

• Bug fix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to
  not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Implemented an integration test that uploads and downloads a test blob using a real Azure Blob Storage account.

Test relies on credentials and container configuration provided through a .env file.

Tested locally using cargo test --lib azure_store on a development machine.

Validated that the data written to and read from Azure Blob Storage matches byte-for-byte.

Checklist

• Updated documentation if needed
• Tests added/amended
• bazel test //... passes locally
• PR is contained in a single commit, using git amend see some docs

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This change is 

[CLAassistant]

All committers have signed the CLA.

[MarcusSorealheis]

This looks like AI spam again.