Bump smart-open from 7.0.4 to 7.1.0

Bumps [smart-open](https://github.com/piskvorky/smart_open) from 7.0.4 to 7.1.0.
- [Release notes](https://github.com/piskvorky/smart_open/releases)
- [Changelog](https://github.com/piskvorky/smart_open/blob/develop/CHANGELOG.md)
- [Commits](piskvorky/smart_open@v7.0.4...v7.1.0)

---
updated-dependencies:
- dependency-name: smart-open
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -63,7 +63,7 @@ segtok==1.5.11
 semver==3.0.2
 sentencepiece==0.1.99
 six==1.16.0
-smart-open==7.0.4
+smart-open==7.1.0
 soupsieve==2.6
 sqlitedict==2.1.0
 sympy==1.13.3