feat(toggle): update styles to iOS 17 specs (#28722)

Issue number: Internal

---------

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issue. -->

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## What is the current behavior?
<!-- Please describe the current behavior that you are modifying. -->
The Toggle styles do not match iOS 17.

| iOS 17 Screenshot | New Design | Ionic |
| --------------------------------------------- |
------------------------------------------------------- |
------------------------------------------------- |
| ![iOS
Toggle](https://github.com/ionic-team/ionic-framework-design-documents/raw/0a820657b7374deff227e83dd2f9925b89eccaca/projects/ionic-framework/ios-17/assets/ios-toggle-light.png)
| ![Proposed
Toggle](https://github.com/ionic-team/ionic-framework-design-documents/raw/0a820657b7374deff227e83dd2f9925b89eccaca/projects/ionic-framework/ios-17/assets/proposed-toggle-light.png)
| ![Ionic
Toggle](https://github.com/ionic-team/ionic-framework-design-documents/raw/0a820657b7374deff227e83dd2f9925b89eccaca/projects/ionic-framework/ios-17/assets/ionic-toggle-light.png)
|


## What is the new behavior?
<!-- Please describe the behavior or changes that are being added by
this PR. -->

- The Toggle handle box shadow matches iOS 17 specs
- The Toggle height matches iOS 17 specs

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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## Other information

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screenshots of how the component looks before and after the change. -->

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Co-authored-by: ionitron <[email protected]>

core/src/components/toggle/toggle.ios.vars.scss

@@ -8,7 +8,7 @@
 $toggle-ios-width:                     51px !default;
 
 /// @prop - Height of the toggle
-$toggle-ios-height:                    32px !default;
+$toggle-ios-height:                    31px !default;
 
 /// @prop - Border width of the toggle
 $toggle-ios-border-width:              2px !default;
@@ -32,7 +32,7 @@ $toggle-ios-handle-max-height:         calc(100% - (var(--handle-spacing) * 2))
 $toggle-ios-handle-border-radius:      $toggle-ios-width * 0.5 !default;
 
 /// @prop - Box shadow of the toggle handle
-$toggle-ios-handle-box-shadow:         0 3px 12px rgba(0, 0, 0, .16), 0 3px 1px rgba(0, 0, 0, .1) !default;
+$toggle-ios-handle-box-shadow:         0 3px 4px rgba(0, 0, 0, .06), 0 3px 8px rgba(0, 0, 0, .06) !default;
 
 /// @prop - Background color of the toggle handle
 $toggle-ios-handle-background-color:   #ffffff !default;