Build

Added new slider widget to `devel/hello-world` #5990

Job	Run time
lint / lint	21s
docs / Build linux64	1m 24s
test / Windows MSVC / Build win64	5m 53s
test / Linux gcc-12 / Build linux64	1m 40s
test / Linux gcc-10 / Build linux64	1m 27s
test / Run Linux test suite / Test (ubuntu, gcc-10, default plugins, default config)	55s
test / Run Linux test suite (gcc-12, all plugins) / Test (ubuntu, gcc-12, all plugins, default config)	48s
test / Run Windows test suite / Test (windows, msvc, default plugins, default config)	1m 1s
test / Run Windows test suite (empty config) / Test (windows, msvc, default plugins, empty config)	1m 12s
	14m 41s

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