Merge pull request #181 from source-foundry/dependabot/pip/fonttools-4.28.4

Author: chrissimpkins

requirements.txt

@@ -22,7 +22,7 @@ colorama==0.4.4
     # via rich
 commonmark==0.9.1
     # via rich
-fonttools==4.28.3
+fonttools==4.28.4
     # via fdiff (setup.py)
 idna==3.3
     # via yarl