Simpler audiences editor / fix scim authentication

[xjunior]

• Allow setting fetch options to useAudiences
• Add changelog
• Bump alpha version
• Prettier
• Fix typescript violations:
• Add more documentation
• Share audiences via context
• Initialize useAudiences hook with base URL and key
• Hardcode scim proxy URL for simplicity
• Use audience context to fetch users
• Replace deep prop dependency by Context
• Initialize useAudiences hook with base URL and key
• Separate useFetch hooks by HTTP methods
• Remove unused routes
• Replace use-http by much smaller and better useFetch
• Move saving handling to ActionBar
• Improve typing and error handling in general
• Bump audiences 1.5.0-alpha1

[powerhome-portal]

A change to documentation files was detected in your PR. Please visit this link to preview changes: https://portal-staging.powerapp.cloud/docs?filters[kind]=all&filters[user]=all&filters[namespaceFilter]=refactor-audiences-contexts

[github-actions]

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