Update dependency pdfminer.six to v20251227 - autoclosed

This MR contains the following updates:

Package	Update	Change
pdfminer.six	major	==20251107 -> ==20251227

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Release Notes

pdfminer/pdfminer.six (pdfminer.six)

v20251227

Compare Source

Added

• Support for Python 3.14 (#​1209)

Changed

• Refuse to execute circular references to content streams (including Form XObjects) (#​1143)

Fixed

• IndexError when saving image with no filters`` (#​1117)
• Copying color space scs and ncs (#​1140)

Removed

• Support for Python 3.9 (#​1208)

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