Bump future from 0.18.2 to 0.18.3 in /requirements

Bumps [future](https://github.com/PythonCharmers/python-future) from 0.18.2 to 0.18.3.
- [Release notes](https://github.com/PythonCharmers/python-future/releases)
- [Changelog](https://github.com/PythonCharmers/python-future/blob/master/docs/changelog.rst)
- [Commits](PythonCharmers/python-future@v0.18.2...v0.18.3)

---
updated-dependencies:
- dependency-name: future
  dependency-type: direct:production
...

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

requirements/base.txt

@@ -2,7 +2,7 @@ altgraph==0.17.2
 chardet==4.0.0
 et-xmlfile==1.1.0
 fbs==1.0.3
-future==0.18.2
+future==0.18.3
 macholib==1.15.2
 numpy==1.19.5
 openpyxl==3.0.9