heyoka 7.1.0

[bluescarni]

This is a quick release that contains a single change over version 7.0.0: the SGP4 propagator now expects both GPE epochs and propagation dates to be provided as UTC Julian dates.

Internally, epochs and dates are converted to the TAI scale of time in order to ensure accurate propagation even in the presence of leap seconds.

The full changelog, as usual, is available here:

https://bluescarni.github.io/heyoka/changelog.html

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This discussion was created from the release heyoka 7.1.0.