Bump cython from 0.29.25 to 0.29.26

Bumps [cython](https://github.com/cython/cython) from 0.29.25 to 0.29.26.
- [Release notes](https://github.com/cython/cython/releases)
- [Changelog](https://github.com/cython/cython/blob/master/CHANGES.rst)
- [Commits](cython/cython@0.29.25...0.29.26)

---
updated-dependencies:
- dependency-name: cython
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -4,7 +4,7 @@
 #
 #    pip-compile
 #
-cython==0.29.25
+cython==0.29.26
     # via -r requirements.in
 fonttools==4.27.1
     # via -r requirements.in