Classes and app to compute satellite visibility

Changes for 0.131 - 2024-03-16

• Deprecate Astro::Coord::ECI::Utils subroutines date2epoch() and epoch2datetime().
• Deal with POSIX::strftime() behavior change in Perl 5.38.9, which made formatting GMT times problematic.
• Refurbish some of the eg/* scripts which have not kept track with API changes of various sorts.
• Correct bug in ::TLE->__make_tle_epoch(). The fractional part was wrong for negative epochs.
• Updates to canned magnitude table.
• Move all tests that BAIL_OUT() into t/basic.t.