Update dependency xmlschema to v2.5.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
xmlschema	==2.4.0 -> ==2.5.0

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Release Notes

sissaschool/xmlschema (xmlschema)

v2.5.0

Compare Source

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• Fix identity keys tracking with additional full XPath checks on XML data
• Rewrite schema exports using relative paths

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[codecov]

Codecov Report

Merging #276 (3e4a9fa) into master (b88e095) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #276   +/-   ##
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  Coverage   99.63%   99.63%           
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  Files           4        4           
  Lines         277      277           
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  Hits          276      276           
  Misses          1        1