Regex appdata date #1781

Job	Run time
Formatting Check	2m 24s
Flatpak	26m 35s
build (5.15.2, false, linux, ubuntu-latest, linux, linux, linux-x86_64, -DGENERATE_APPDATA=ON)	12m 12s
build (5.15.2, false, macos, macos-latest, mac, mac, darwin64-x86_64-cc, 1)	19m 50s
build (5.15.2, false, win64, windows-latest, win, windows, win64_msvc2019_64, win64_msvc2017_64, ...	24m 2s
build (5.15.2, false, win32, windows-latest, win, windows, win32_msvc2019, win32_msvc2017, VC-WIN...	22m 11s
build (5.12.0, true, linux, ubuntu-latest, linux, linux, linux-x86_64, -DGENERATE_APPDATA=ON)	15m 25s
build (5.12.0, true, macos, macos-latest, mac, mac, darwin64-x86_64-cc, 1)	21m 25s
build (5.12.0, true, win64, windows-latest, win, windows, win64_msvc2019_64, win64_msvc2017_64, V...	23m 49s
build (5.12.0, true, win32, windows-latest, win, windows, win32_msvc2019, win32_msvc2017, VC-WIN3...	28m 38s
publish	0s
	3h 16m 31s

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