demos: grand refactoring #485

Job	Run time
check-run-builds	5s
Format checks for SIL Kit sources	38s
License checks for SIL Kit sources	19s
Undefined Behavior Sanitizer Tests / Undefined Behavior Sanitizer Tests	28m 53s
Address Sanitizer Tests / clang-asan	20m 38s
Thread Sanitizer Tests / Thread Sanitizer Tests	17m 2s
macos-release-builds / build-macos	9m 43s
mingw-release-builds / msys2/mingw64 x86_64	20m 42s
ubuntu-arm-release-builds / clang-18 release Builds for Ubuntu ARM64	8m 5s
ubuntu-release-builds / clang-18 release Builds for Ubuntu	15m 38s
ubuntu-release-builds / gcc release Builds for Ubuntu	15m 59s
windows-release-builds / build-win-x32	20m 4s
windows-release-builds / build-win-x64	21m 45s
	2h 59m 31s

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