⬆️ Update spacy requirement

Updates the requirements on [spacy](https://github.com/explosion/spaCy) to permit the latest version.
- [Release notes](https://github.com/explosion/spaCy/releases)
- [Commits](explosion/spaCy@v2.0.11...v2.3.1)

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

setup.py

@@ -36,7 +36,7 @@
         'waitress>=1.1.0',
         'keras==2.2.4',
         'PTable>=0.9.2',
-        'spacy>=2.0.11, <=2.0.13',
+        'spacy>=2.0.11, <2.3.2',
         'gensim>=3.4.0',
         'nltk>=3.3',
         'googledrivedownloader>=0.3',