Extend to transformers v4.15 (#320)

Author: adrianeboyd

requirements.txt

@@ -1,5 +1,5 @@
 spacy>=3.1.3,<4.0.0
-transformers>=3.4.0,<4.13.0
+transformers>=3.4.0,<4.16.0
 torch>=1.6.0
 srsly>=2.4.0,<3.0.0
 dataclasses>=0.6,<1.0; python_version < "3.7"

setup.cfg

@@ -28,7 +28,7 @@ include_package_data = true
 python_requires = >=3.6
 install_requires =
     spacy>=3.1.3,<4.0.0
-    transformers>=3.4.0,<4.13.0
+    transformers>=3.4.0,<4.16.0
     torch>=1.6.0
     srsly>=2.4.0,<3.0.0
     dataclasses>=0.6,<1.0; python_version < "3.7"