* Updating jest `testMatch` micromatch expressions (jestjs/jest#7914)
* Replacing `/` with `path.sep` in icon-build-helpers search.js
* Replacing regex using `/` with `[\\/]` in test-utils scss.js

- Adding lodash.throttle as project dependency for use in Slider
- Reworking Slider component's event handling
- Including throttling in Slider event handling
- Adjusting CSS for input element on Slider

…thub.com/jdharvey-ibm/carbon into 2695-fix-onrelease-sometimes-doesnt-fire

- Increasing (line) test coverage to 100%
- Slight refactor of functions to be more testable
- Correctly handling hidden text input
- Correctly handling touchmove events
- Gracefully handling edge case of zero-width bounding rect

- Removing usage of functions that aren't available in all browsers
- Adding unit test for display:none style on hidden text input

- Removing throttling from keydown handling
- Updating unit tests accordingly

Using `matches(...)` for arrow key event matching instead of custom impl

…2695-fix-onrelease-sometimes-doesnt-fire