fix(CanConnectAsync): throw OperationCanceledException in case of cancellation #36073
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As already mentioned in the doc-string of the
CanConnectAsync
method, it should throw anOperationCanceledException
in case theCancellationToken
fired and the check method threw a corresponding exception.This PR addresses this shortcoming and goes hand-in-hand with this change to ASP.NET Core's
DbContextHealthCheck
to propagateOperationCanceledException
s.