Build

Bump hendrikmuhs/ccache-action from 1.2.17 to 1.2.18 #484

Job	Run time
oldschool (rockylinux, 9, debug)	3m 40s
ubuntu (22.04)	7m 24s
ubuntu (24.04)	7m 24s
oldschool (rockylinux, 9, release)	4m 16s
macOS (latest, 3.9, 5.9.*, debug)	6m 48s
windows (win64_mingw73, 3.10, 5.12.*, x64)	5m 51s
macOS (latest, 3.9, 5.9.*, release)	4m 43s
windows (win64_msvc2019_64, 3.13, x64, 5.15.*, PythonQtCore PythonQtGui PythonQtMultimedia)	4m 26s
windows (win64_msvc2017_64, 3.6, x64, 5.11.*)	4m 57s
macOS (latest, 3.11, 5.12.*, debug)	6m 10s
windows (win32_mingw53, 3.6, x86, 5.11.*)	7m 16s
	1h 2m 55s

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