Monitor availability of Maven Central publications

[ianbotsf]

Monitor and report how long it takes from publishing to Nexus until artifacts are available in Maven Central.

[github-actions]

This is a very old issue that is probably not getting as much attention as it deserves. We encourage you to check if this is still an issue in the latest release and if you find that this is still a problem, please feel free to provide a comment or open a new issue.

[lauzadis]

Duplicate of #785

[github-actions]

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