Update jsonschema to 0.28.1, support drafts 2019-09 and 2020-12 #254

Job	Run time
Wait for CI Workflow	2s
Cargo publish lsp-async-stub	13s
Cargo publish taplo	11s
i686-pc-windows-msvc	7m 3s
x86_64-pc-windows-msvc	6m 40s
x86_64-apple-darwin	3m 3s
Cargo publish taplo-cli	12s
aarch64-pc-windows-msvc	6m 42s
aarch64-apple-darwin	2m 28s
Cargo publish taplo-common	11s
Cargo publish taplo-lsp	11s
get_version	4s
NPM publish @taplo/cli	28s
NPM publish @taplo/core	15s
NPM publish @taplo/lsp	30s
NPM publish @taplo/lib	21s
Build python wheels (ubuntu, x86)	6m 13s
Build python wheels (ubuntu, x64)	3m 51s
Build python wheels (windows, x86)	7m 44s
Build python wheels (windows, x64)	7m 52s
Build python wheels (macos, x64)	3m 45s
Build python wheels (macos, aarch64)	3m 21s
Build linux executables	21m 2s
Publish VSCode Extension	45s
Test python wheels (windows-latest)	13s
Test python wheels (ubuntu-latest)	8s
Test python wheels (macos-latest)	8s
PyPI publish taplo	0s
Release Taplo CLI binaries	5s
	1h 23m 41s

Provide feedback