Jeff Trull ccec592137 Upgrade stale CI config (#199) ...

* Update runner OS options so all jobs execute

* Add C++20 to matrix

* Add gcc-9 and msvc-14.3 (via Appveyor) to matrix

2024-01-17 11:43:50 -08:00

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ci.yml

Upgrade stale CI config (#199)

2024-01-17 11:43:50 -08:00