chore: support async connection settings provider

[Amine-H]

Proposed changes

Support async connection settings provider

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[Amine-H]

@thetutlage can you please have a look at this PR 🙏🏼

[thetutlage]

Can you please share the use-case for this?

[Amine-H]

Can you please share the use-case for this?

A use case would be an async retrieval of DB credentials, especially when the credentials could be rotated at anytime

[Amine-H]

@thetutlage any concerns with these changes?