fix: resolve PR conflicts with origin/main

- Remove .github/FUNDING.yml (upstream FreeCAD only, not Kindred)
- Sync .gitignore, .pre-commit-config.yaml, .pylintrc from origin/main
- Sync README.md, cMake/FindNETGEN.cmake from origin/main
- Sync pixi.lock, pixi.toml from origin/main
- Reset mods/ztools submodule pointer to match origin/main

.pre-commit-config.yaml

@@ -46,7 +46,6 @@ exclude: |
         src/App/ExpressionParser.tab.h|
         src/App/ExpressionParser.y|
         src/App/lex.ExpressionParser.c|
-        src/Doc/ThirdPartyLibraries.html.cmake|
         src/Gui/3Dconnexion/navlib|
         src/Gui/QSint|
         src/Gui/Quarter|