Update to SFML 3.x vector-based `sf::Rect` #419

Job	Run time
clang-format	12s
Windows MSVC Shared Release	2m 13s
Windows MSVC Shared Debug	1m 51s
Windows MSVC Static Release	3m 32s
Windows MSVC Static Debug	2m 14s
Windows ClangCL Shared Release	2m 59s
Windows ClangCL Shared Debug	2m 45s
Windows ClangCL Static Release	5m 4s
Windows ClangCL Static Debug	4m 5s
Windows Clang Shared Release	1m 47s
Windows Clang Shared Debug	1m 43s
Windows Clang Static Release	2m 9s
Windows Clang Static Debug	1m 59s
Linux GCC Shared Release	57s
Linux GCC Shared Debug	39s
Linux GCC Static Release	1m 21s
Linux GCC Static Debug	1m 16s
Linux Clang Shared Release	59s
Linux Clang Shared Debug	52s
Linux Clang Static Release	1m 35s
Linux Clang Static Debug	1m 29s
macOS Clang Shared Release	1m 35s
macOS Clang Shared Debug	1m 16s
macOS Clang Static Release	1m 23s
macOS Clang Static Debug	49s
	46m 44s

Provide feedback