deps(example): Bump the dependencies group across 1 directory with 2 …

…updates

Bumps the dependencies group with 2 updates in the /examples/nextjs-ip-details directory: [postcss](https://github.com/postcss/postcss) and [tailwindcss](https://github.com/tailwindlabs/tailwindcss).


Updates `postcss` from 8.4.47 to 8.4.49
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.47...8.4.49)

Updates `tailwindcss` from 3.4.14 to 3.4.15
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/v3.4.15/CHANGELOG.md)
- [Commits](tailwindlabs/tailwindcss@v3.4.14...v3.4.15)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: tailwindcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>