Allow latest version check to take retries arg

[andrjohns]

Submission Checklist

• Run unit tests
• Declare copyright holder and agree to license (see below)

Summary

Addresses #889

Allows the latest_released_version() function to pass-through arguments to the download_with_retries() function. This is to avoid the latest version check from retrying 5 times on package load when the user does not have internet access (or a similar firewall issue)

Copyright and Licensing

Please list the copyright holder for the work you are submitting
(this will be you or your assignee, such as a university or company):
Andrew Johnson

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license the submitted work under the following licenses:

• Code: BSD 3-clause (https://opensource.org/licenses/BSD-3-Clause)
• Documentation: CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)