Ralf W. Grosse-Kunstleve 6da268a5c5
ci: remove clang 10 C++20 (it broke recently) (#4438)
* Remove clang 10 C++20 (it broke recently), add clang 15 C++20 while we are at it.

* No luck trying clang15: Error response from daemon: manifest for silkeh/clang:15 not found: manifest unknown: manifest unknown. Giving up, this needs to be a separate PR.
2023-01-03 08:46:55 -05:00
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2022-02-15 17:48:33 -05:00
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2020-10-12 22:35:23 -04:00