chore(deps): update dependency iniconfig to v2.3.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
iniconfig	==2.3.0 → ==2.3.1

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Release Notes

pytest-dev/iniconfig (iniconfig)

v2.3.1

Compare Source

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• fix quadratic parse time for values with many continuation lines (#​78, regarding #​77)
• strip a leading UTF-8 BOM when reading INI files, which previously raised ParseError (#​76)
• internal: iniconfig._parse.ParsedLine.value is now a list of lines

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[claude]

LGTM, straightforward dependency version bump.

What was reviewed: the single-line diff in requirements-dev.txt bumping the pinned iniconfig version from 2.3.0 to 2.3.1 (a transitive pytest dev dependency); confirmed no other files or lines changed, and checked that the release only contains a parsing bugfix/perf change, not an API change.

Extended reasoning...

The change is a single-line pin update in requirements-dev.txt for iniconfig, a transitive dev-only dependency of pytest. No application code, configuration logic, or security-sensitive surfaces are touched. This is a mechanical Renovate-generated patch version bump with release notes describing only a parse-performance fix and BOM handling, so it is low risk and safe to approve without further human review.