build

Bump mikepenz/action-junit-report from 5 to 6 #2059

Job	Run time
clang-format-and-update-docs	20s
macOS xcode-15.4-ninja out-of-source	41s
Windows WIN-2025-VS-2022	4m 41s
macOS xcode-15.4	27s
Windows WIN-latest-VS-2022	4m 52s
macOS xcode-15.4-ninja in-source	29s
Windows WIN-2025-VS-2022 (clangcl)	5m 29s
Windows WIN-latest-VS-2022 (clangcl)	5m 39s
Linux clang15	2m 29s
Linux clang16	4m 22s
Linux gcc12	4m 53s
Linux clang14	3m 41s
Linux gcc13 ninja in-source	2m 20s
Linux gcc13	2m 50s
Linux gcc13 ninja out-of-source	4m 1s
Linux gcc13 ninja-unity	3m 20s
Linux gcc13 unity	4m 1s
Linux gcc14	3m 47s
auto-merge	-1s
	58m 21s

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