feat(input-otp): add new input-otp component (#30386)

Adds a new component `ion-input-otp` which provides the OTP input functionality

- Displays as an input group with multiple boxes accepting a single character
- Accepts `type` which determines whether the boxes accept numbers or text/numbers and determines the keyboard to display
- Supports changing the displayed keyboard using the `inputmode` property
- Accepts a `length` property to control the number of input boxes
- Accepts the following properties to change the design: `fill`, `shape`, `size`, `color`
- Accepts a `separators` property to show a separator between 1 or more input boxes
- Supports the `disabled`, `readonly` and invalid states
- Supports limiting the accepted input via the `pattern` property
- Emits the following events: `ionInput`, `ionChange`, `ionComplete`, `ionBlur`, `ionFocus`
- Exposes the following method: `setFocus`

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Co-authored-by: Brandy Smith <6577830+brandyscarney@users.noreply.github.com>
Co-authored-by: Shane <shane@shanessite.net>