Downgrade CMake to 3.31.x on our runners. #13100

Job	Run time
check_and_prepare	15s
build-android-macos-13	1h 15m 9s
build-ios-macos-13	2h 1m 18s
build-android-windows-latest	1h 16m 34s
build-android-ubuntu-22.04	53m 20s
build-tvos-macos-13	1h 31m 41s
build-desktop-windows-latest-x64-openssl	1h 40m 37s
build-desktop-macos-13-x64-openssl	1h 57m 16s
build-desktop-ubuntu-22.04-x64-openssl	39m 13s
test-android-ubuntu-22.04-emulator_ftl_target-gameloop	13m 2s
test-android-windows-latest-android_target-gameloop	10m 32s
test-android-macos-13-android_target-gameloop	26m 20s
test-android-ubuntu-22.04-android_target-gameloop	11m 15s
test-android-macos-13-emulator_ftl_target-gameloop	19m 2s
test-android-windows-latest-emulator_ftl_target-gameloop	11m 25s
test-tvos-macos-13-tvos_simulator	17m 38s
test-desktop-windows-latest-x64-openssl	6m 36s
test-desktop-macos-13-x64-openssl	5m 11s
test-desktop-ubuntu-22.04-x64-openssl	3m 19s
test-ios-macos-13-ios_target-gameloop	10m 55s
test-ios-macos-13-simulator_target-gameloop	35m 43s
summarize-results	19s
attempt-retry	0s
	14h 6m 40s

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