chore(deps): update dependency jsonschema to v4.2.1

requirements.txt

@@ -13,7 +13,7 @@ imageio-ffmpeg==0.4.5; python_version >= "3.4"
 imageio==2.9.0; python_version >= "3.5"
 importlib-metadata==1.7.0; python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "3.8" or python_full_version >= "3.5.0" and python_version < "3.8" and python_version >= "3.6"
 inflection==0.5.1; python_version >= "3.5"
-jsonschema==4.2.0
+jsonschema==4.2.1
 markdown==3.3.4; python_version >= "3.6"
 moviepy==1.0.3
 mutagen==1.45.1; python_version >= "3.5" and python_version < "4"