Bump tailwindcss from 2.2.15 to 3.0.0

Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss) from 2.2.15 to 3.0.0.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/master/CHANGELOG.md)
- [Commits](tailwindlabs/tailwindcss@v2.2.15...v3.0.0)

---
updated-dependencies:
- dependency-name: tailwindcss
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -46,6 +46,6 @@
     "postcss-flexbugs-fixes": "5.0.2",
     "postcss-hover-media-feature": "1.0.1",
     "postcss-preset-env": "6.7.0",
-    "tailwindcss": "2.2.15"
+    "tailwindcss": "3.0.0"
   }
 }