Update dependency xmltodict to v0.15.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
xmltodict	==0.13.0 → ==0.15.1

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Release Notes

martinblech/xmltodict (xmltodict)

v0.15.1

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• Security: Further harden XML injection prevention during unparse (follow-up to
  v0.15.0). In addition to '<'/'>' rejection, now also reject element and
  attribute names (including @xmlns prefixes) that:
  • start with '?' or '!'
  • contain '/' or any whitespace
  • contain quotes (' or ") or '='
  • are non-strings (names must be str; no coercion)

v0.15.0

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• Security: Prevent XML injection (CVE-2025-9375) by rejecting '<'/'>' in
  element and attribute names (including @xmlns prefixes) during unparse.
  This limits validation to avoiding tag-context escapes; attribute values
  continue to be escaped by the SAX XMLGenerator.
  Advisory: https://fluidattacks.com/advisories/mono

v0.14.2

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• Revert "Ensure significant whitespace is not trimmed"
  • This changed was backwards incompatible and caused downstream issues.

v0.14.1

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• Drop support for Python older than 3.6
• Additional ruff/Pyflakes/codespell fixes.
  • Thanks @​DimitriPapadopoulos!

v0.14.0

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• Drop old Python 2 support leftover code and apply several RUFF code health fixes.
  • Thanks, @​DimitriPapadopoulos!
• Add Python 3.11, 3.12 and 3.13 support and tests.
  • Thanks, @​angvp!
• Tests in gh-action.
  • Thanks, @​almaz.kun!
• Remove defusedexpat import.
  • Thanks, @​hanno!
• Replace deprecated BadZipfile with BadZipFile.
  • Thanks, @​hugovk!
• Support indent using integer format, enable python -m unittest tests/*.py.
  • Thanks, @​hiiwave!
• Ensure significant whitespace is not trimmed
  • Thanks, @​trey.franklin!
• added conda installation command
  • Thanks, @​sugatoray!
• fix attributes not appearing in streaming mode
  • Thanks, @​timnguyen001!
• Fix Travis CI status badge URL
• Update push_release.sh to use twine.

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