[fix] Dropdown now called Select

[werdnanoslen]

ReactUSWDS Version & USWDS Version:

Not sure as of when, but currently on 3.4.1, the component managing the basic <select> elemet is called "Select" in all documentation, not "Dropdown. Also, the USWDS site link on storybook should now be https://designsystem.digital.gov/components/select/ (not /dropdown/)

Expected behavior

1. Change component name to Select
2. Change storybook to use "Select" in its title/subtitle
3. Change USWDS link

Screenshots

[haworku]

Thanks for pointing this out.

Surfacing also that renaming a component would be a breaking change. It requires all consumers to rename their components. We may want to create the new Select component, add to storybook, but still allow use of Dropdown for a period of time and marking as deprecated for the first pass of this work.