Fix: add a support to pass basic authentication for authentication endpoint#473

KoditkarVedant merged 3 commits intomainnotion-dotnet/notion-sdk-net:mainfrom

fix/472-add-a-way-to-use-basic-authentication-for-authentication-endpointnotion-dotnet/notion-sdk-net:fix/472-add-a-way-to-use-basic-authentication-for-authentication-endpointCopy head branch name to clipboard