feat: add `tauri::Builder::on_tray_icon_event` #11960

Job	Run time
test (x86_64-pc-windows-msvc, windows-latest, 1.77.2, false, test, --no-default-features, no-defa...	4m 2s
test (x86_64-pc-windows-msvc, windows-latest, 1.77.2, false, test, --all-features, all)	5m 21s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.77.2, false, test, --no-default-features, no-def...	2m 36s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.77.2, false, test, --all-features, all)	6m 46s
test (aarch64-apple-darwin, macos-14, 1.77.2, false, test, --no-default-features, no-default)	1m 36s
test (aarch64-apple-darwin, macos-14, 1.77.2, false, test, --all-features, all)	2m 51s
test (aarch64-apple-ios, macos-latest, 1.77.2, false, build, --no-default-features, no-default)	1m 38s
test (aarch64-apple-ios, macos-latest, 1.77.2, false, build, --all-features, all)	1m 32s
test (aarch64-linux-android, ubuntu-latest, 1.77.2, true, build, --no-default-features, no-default)	1m 52s
test (aarch64-linux-android, ubuntu-latest, 1.77.2, true, build, --all-features, all)	1m 22s
	29m 36s

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