Bump future from 0.18.2 to 1.0.0 in /capstone/src/main/python

Bumps [future](https://github.com/PythonCharmers/python-future) from 0.18.2 to 1.0.0.
- [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...v1.0.0)

---
updated-dependencies:
- dependency-name: future
  dependency-version: 1.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

capstone/src/main/python/requirements.txt

@@ -1,7 +1,7 @@
 flake8==3.8.3
 Flask==1.1.2
 Flask-PyMongo==2.3.0
-future==0.18.2
+future==1.0.0
 gast==0.3.3
 google-api-core==1.22.0
 google-api-python-client==1.10.0