Bump sharp from 0.26.1 to 0.29.0 (#3620)

Bumps [sharp](https://github.com/lovell/sharp) from 0.26.1 to 0.29.0.
- [Release notes](https://github.com/lovell/sharp/releases)
- [Changelog](https://github.com/lovell/sharp/blob/master/docs/changelog.md)
- [Commits](https://github.com/lovell/sharp/compare/v0.26.1...v0.29.0)

---
updated-dependencies:
- dependency-name: sharp
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -367,7 +367,7 @@
     "react-table": "^7.7.0",
     "react-window": "^1.8.5",
     "sass-loader": "^8.0.2",
-    "sharp": "^0.26.1",
+    "sharp": "^0.29.0",
     "spectron": "11.0.0",
     "style-loader": "^2.0.0",
     "tailwindcss": "^2.2.4",