Test experimental `sf::Event` API #338

Job	Run time
clang-format	14s
Windows MSVC Shared Release	1m 50s
Windows MSVC Shared Debug	2m 5s
Windows MSVC Static Release	3m 30s
Windows MSVC Static Debug	3m 37s
Windows ClangCL Shared Release	2m 57s
Windows ClangCL Shared Debug	2m 53s
Windows ClangCL Static Release	4m 38s
Windows ClangCL Static Debug	3m 48s
Windows Clang Shared Release	2m 24s
Windows Clang Shared Debug	2m 2s
Windows Clang Static Release	4m 16s
Windows Clang Static Debug	2m 34s
Linux GCC Shared Release	1m 23s
Linux GCC Shared Debug	41s
Linux GCC Static Release	1m 43s
Linux GCC Static Debug	58s
Linux Clang Shared Release	1m 36s
Linux Clang Shared Debug	1m 3s
Linux Clang Static Release	1m 33s
Linux Clang Static Debug	1m 27s
macOS Clang Shared Release	1m 30s
macOS Clang Shared Debug	56s
macOS Clang Static Release	1m 52s
macOS Clang Static Debug	1m 20s
	52m 50s

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