Bump emoji from 2.14.1 to 2.15.0 (#330)

Bumps [emoji](https://github.com/carpedm20/emoji) from 2.14.1 to 2.15.0.
- [Release notes](https://github.com/carpedm20/emoji/releases)
- [Changelog](https://github.com/carpedm20/emoji/blob/master/CHANGES.md)
- [Commits](carpedm20/emoji@v2.14.1...v2.15.0)

---
updated-dependencies:
- dependency-name: emoji
  dependency-version: 2.15.0
  dependency-type: direct:production
  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>

Author: dependabot[bot]

requirements.txt

@@ -5,7 +5,7 @@ bleach==6.2.0
 bs4==0.0.2
 cachetools==4.2.2
 countryinfo==0.1.2
-emoji==2.14.1
+emoji==2.15.0
 emoji-country-flag==2.0.1
 gpytranslate==2.0.0
 hachoir==3.3.0