CI: run apt update first #1646

Job	Run time
Emscripten	2m 40s
FreeBSD	4m 10s
macOS-deps=enabled	1m 8s
macOS-deps=disabled	48s
MSYS2-UCRT64-deps=enabled	4m 45s
MSYS2-CLANG64-deps=enabled	3m 26s
Linux-GCC7-deps=forcefallback	1m 53s
MSYS2-UCRT64-deps=disabled	3m 13s
MSVC-forcefallback-x64	4m 18s
Linux-GCC7-deps=default	1m 13s
Linux-Clang7-deps=forcefallback	1m 43s
MSVC-forcefallback-x86	4m 29s
Linux-GCC13-deps=forcefallback	2m 54s
Linux-Clang7-deps=default	1m 37s
MSVC-default-x64	3m 2s
Linux-GCC13-deps=default	1m 57s
MSYS2-CLANG64-deps=disabled	2m 26s
Linux-Clang19-deps=forcefallback	2m 46s
MSVC-default-x86	3m 14s
Linux-Clang19-deps=default	2m 9s
clang-cl-forcefallback	4m 18s
clang-cl-default	3m 22s
	1h 1m 31s

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