Update pyyaml to 6.0.3#530

pyup-bot wants to merge 1 commit intomasterrenatodamas/libpythonpro:masterfrom

pyup-update-pyyaml-6.0.1-to-6.0.3renatodamas/libpythonpro:pyup-update-pyyaml-6.0.1-to-6.0.3Copy head branch name to clipboard