2024-07-03: Authentication and security improvements

The most significant change in this release is improvements to the login system to handle token refresh in the browser for users who leave the tab open for long periods of time (PR #1778). Please bring those changes in if you're using auth.
 

What's Changed

• Remove powershell feature by @pamelafox in #1752
• Support use of AzureOpenAI proxy by prepdocs by @pamelafox in #1760
• Fix arg specification by @pamelafox in #1761
• Set ACLs to Deny for storage by @pamelafox in #1765
• fix ruff check by @john0isaac in #1772
• Bump the python-requirements group across 1 directory with 19 updates by @dependabot in #1775
• Fix login state management by @mattgotteiner in #1778
• Make OpenAI deployment optional by @pamelafox in #1777

Full Changelog: 2024-06-20...2024-07-03