update requirements.txt dependencies
beautifulsoup4==4.7.1
defcon==0.6.0
font-v==0.7.1
-fontTools[ufo,lxml,unicode]==3.41.2
-lxml==4.3.3
+fontTools[ufo,lxml,unicode]==3.42.0
+lxml==4.3.4
opentype-sanitizer==7.1.9
-protobuf==3.7.1
+protobuf==3.8.0
requests==2.22.0
ttfautohint-py==0.4.3
ufolint==0.3.5
-e .
# This is only needed to generate docs:
-# sphinx==2.0.1
+# sphinx==2.1.0
# sphinx_rtd_theme==0.4.3
# recommonmark==0.5.0
# This is only needed to run code-tests:
-# ufo2ft==2.7.0
-# pytest==4.4.1
+# ufo2ft==2.9.0
+# pytest==4.6.2
