Bump tensorflow-transform from 0.11.0 to 0.13.0 (#83)

Bumps [tensorflow-transform](https://github.com/tensorflow/transform) from 0.11.0 to 0.13.0.
- [Release notes](https://github.com/tensorflow/transform/releases)
- [Changelog](https://github.com/tensorflow/transform/blob/master/RELEASE.md)
- [Commits](https://github.com/tensorflow/transform/compare/v0.11.0...v0.13.0

)

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

requirements.txt

@@ -12,5 +12,5 @@ sciencebeam-alignment==0.0.2
 sciencebeam-utils==0.0.1
 sklearn-crfsuite==0.3.6
 six==1.12.0
-tensorflow-transform==0.11.0
+tensorflow-transform==0.13.0
 tqdm==4.30.0