chore(deps): bump graphviz from 0.20.1 to 0.20.3

[dependabot]

Bumps graphviz from 0.20.1 to 0.20.3.

Changelog

Sourced from graphviz's changelog.

Version 0.20.3

Revert improvements to the internal tools.deprecate_positional_args() decorator that caused false positive PendingDeprecationWarning: The signature of ... will be reduced warnings that have been misinterpreted in the 0.20.2 release process.

Version 0.20.2

Drop Python 3.7 support (end of life 2023-06-27).

Tag Python 3.11 and 3.12 support.

Add caveat about labe escaping/quoting to .node() and .render() API docs.

Document that doctest_skip_exe() lines in doctest should be ignored.

Improve internal tools.deprecate_positional_args() decorator and fix incorect test assertion.

Update GitHub actions.

Pin pytest test dependency to <8.1 as a workaround for import file mismatch error related to conftest.py files, in pytest 8.1.1, see pytest-dev/pytest#12123.

Commits

• cbfbead release 0.20.3
• dbdef1f Better document pytest version pinning
• 8d8c659 Revert "ignore own signature-related deprecation warnings in release process"
• 195855c Revert "fix number of positional arguments in deprecation warning messages"
• 78daf45 bump version for development
• 34fb16b release 0.20.2
• 7fab480 ignore own signature-related deprecation warnings in release process
• 09e2161 run update-help.py with Python 3.12
• 24507fc document excluded pytest 8.1.1 version
• 7fb9191 fix inline literal start-string without end-string
• Additional commits viewable in compare view

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