resolve encoding issue on windows when pipeline .draw("file.html")

[devatcadam]

Description

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Please provide a description of the work completed in this PR below

Resolve error on Windows with pipeline.draw("pipeline.html") and charmap lib :
File "e:\Codes\PS-CEA-kg-building.venv\Lib\site-packages\neo4j_graphrag\experimental\pipeline\pipeline.py", line 207, in draw
f.write(G.render().data)
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.12_3.12.2800.0_x64__qbz5n2kfra8p0\Lib\encodings\cp1252.py", line 19, in encode
return codecs.charmap_encode(input,self.errors,encoding_table)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
UnicodeEncodeError: 'charmap' codec can't encode character '\u0100' in position 34971: character maps to

Type of Change

• New feature
• Bug fix
• Breaking change
• Documentation update
• Project configuration change

Complexity

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Please provide an estimated complexity of this PR of either Low, Medium or High

Complexity: Low

How Has This Been Tested?

• Unit tests
• E2E tests
• Manual tests

Checklist

The following requirements should have been met (depending on the changes in the branch):

• Documentation has been updated
• Unit tests have been updated
• E2E tests have been updated
• Examples have been updated
• New files have copyright header
• CLA (https://neo4j.com/developer/cla/) has been signed
• CHANGELOG.md updated if appropriate