Merge pull request #112 from source-foundry/dependabot/pip/fonttools-4.21.1

Author: dependabot[bot]

requirements.txt

@@ -11,7 +11,7 @@ async-timeout==3.0.1      # via aiohttp
 attrs==20.3.0             # via aiohttp
 cffi==1.14.5              # via pycares
 chardet==3.0.4            # via aiohttp
-fonttools==4.20.0         # via fdiff (setup.py)
+fonttools==4.21.1         # via fdiff (setup.py)
 idna==3.1                # via yarl
 multidict==5.1.0          # via aiohttp, yarl
 pycares==3.1.1            # via aiodns