Add progress bar for optimizations, including cancel #1273

Job	Run time
Ubuntu GCC	40m 20s
Ubuntu AppImage	38m 9s
macOS Clang	1h 0m 21s
Windows Latest MSVC	1h 23m 10s
Ubuntu Address Sanitizer	39m 29s
Ubuntu Undefined Behavior Sanitizer	35m 43s
	4h 57m 12s

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