[fix] Conan 2.x: Avoid SyntaxWarning spam by updating Patch-NG to 1.18.0

[uilianries]

Update patch-ng minor version to be able to fix #16759

The release 1.18.0 (https://github.com/conan-io/python-patch-ng/releases/tag/1.18.0) has a proper fix (conan-io/python-patch-ng#29) to avoid warnings in Python 3.12

Changelog: Fix: Update patch-ng 1.18.0 to avoid SyntaxWarning spam.
Docs: Omit

fixes #16759

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