support pinch, double tap and rotation gestures on iOS #5293

Job	Run time
Run cargo-deny on Android	22s
Check formatting	13s
Run cargo-deny on iOS	25s
Run cargo-deny on Linux	22s
Test stable Windows 64bit MSVC	1m 56s
Run cargo-deny on macOS	20s
Test stable Windows 32bit MSVC	1m 45s
Run cargo-deny on Redox OS	22s
Test stable Windows 64bit GNU	2m 20s
Run cargo-deny on web	22s
Test stable Windows 32bit GNU	2m 14s
Run cargo-deny on Windows	21s
Test stable Linux 32bit	2m 54s
Test stable Linux 64bit	2m 32s
Test stable X11	2m 18s
Test stable Wayland	2m 24s
Test stable Android	58s
Test stable Redox OS	26s
Test stable macOS	1m 40s
Test stable iOS x86_64	2m 2s
Test stable iOS Aarch64	1m 21s
Test stable web	1m 6s
Test nightly Windows 64bit MSVC	1m 41s
Test nightly Windows 32bit MSVC	1m 41s
Test nightly Windows 64bit GNU	2m 19s
Test nightly Windows 32bit GNU	2m 14s
Test nightly Linux 32bit	2m 49s
Test nightly Linux 64bit	2m 26s
Test nightly X11	2m 26s
Test nightly Wayland	2m 24s
Test nightly Android	1m 4s
Test nightly Redox OS	33s
Test nightly macOS	1m 53s
Test nightly iOS x86_64	1m 28s
Test nightly iOS Aarch64	2m 4s
Test nightly web	1m 10s
Test 1.70.0 Windows 64bit MSVC	55s
Test 1.70.0 Windows 32bit MSVC	1m 1s
Test 1.70.0 Windows 64bit GNU	1m 8s
Test 1.70.0 Windows 32bit GNU	1m 2s
Test 1.70.0 Linux 32bit	1m 16s
Test 1.70.0 Linux 64bit	1m 5s
Test 1.70.0 X11	1m 1s
Test 1.70.0 Wayland	50s
Test 1.70.0 Redox OS	20s
Test 1.70.0 macOS	1m 8s
Test 1.70.0 iOS x86_64	45s
Test 1.70.0 iOS Aarch64	54s
Test 1.70.0 web	41s
Test 1.70.0 Android	36s
Test nightly web Atomic	1m 20s
	1h 8m 57s

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