chore(release): 4.2.8 [skip ci]

## [4.2.8](ReactTooltip/react-tooltip@v4.2.7...v4.2.8) (2020-08-06)

### Bug Fixes

* **showtooltip:** check if tooltipRef is undefined ([ReactTooltip#623](ReactTooltip#623)) ([f63eab2](ReactTooltip@f63eab2))

fix: skip warning in example

fix: release event listners (ReactTooltip#534)

fix: made it possible to pass uuid instead of generating one internal…

…ly (ReactTooltip#583)

When passing the `uuid` prop ReactTooltip will not generate one itself so you can have a predictable
ID when using SSR strategies"

fix ReactTooltip#580

fix(types): adding typescript d.ts file into dist

fix ReactTooltip#579

fix: mark prop-types and uuid as external to avoid bundling them (Rea…

…ctTooltip#582)

fix(types): adding types filename to package (ReactTooltip#579)

Merge pull request ReactTooltip#578 from jkonze/auto-postion-fix

fix(getPosition Util)

feat: adding typescript type defs (ReactTooltip#571)

fix: update uuid module