main/py3-tappy: upgrade to 3.1

v3.0...v3.1

7ab5bd73 Add wheel as package to bdist_wheel is an available setup command.
f5588320 Add latest Python versions (#109)
015c21c1 Replace global is_peekable with a check on every file (#108)
0aedb990 Fix parsing of multi-line strings in YAML blocks (#112)
0c38a487 Fix lint issues.
63c7d05a Update contributing guide.
329ca907 Drop Travis and AppVeyor. (#116)
821b3894 Change references from master to main.
07ebf38e Remove i18n support. (#117)
80732f74 Remove copyright year.
114acf84 Update version support in docs.
e16ff9cf Add support for pre-commit.
18464678 Let pre-commit.ci handle lint checking. (#118)
c47ef9b5 Switch to using bump2version.
21ba6737 Clean up packaging code.
7f2e2f5b Set 3.1 release date.
76e5591a Set actual version in config file.
16ef415e Bump vesion