fix(deps): update dependency checkstyle to v12.3.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
checkstyle (source)	12.3.0 → 12.3.1

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Release Notes

checkstyle/checkstyle (checkstyle)

v12.3.1

Checkstyle 12.3.1 - https://checkstyle.org/releasenotes.html#Release_12.3.1

Bug fixes:

#​17265 - Duplicate violations in WhitespaceAfter and WhitespaceAround in google config
#​17778 - Add support to properly follow Rule 7.1.1 General Form in Google Style Guide Implementation
#​18381 - NullPointerException in TextBlockGoogleStyleFormatting with text blocks in annotations
#​17727 - Need default config in google_checks.xml to forbid lowercase Javadoc beginnings

Other Changes:

Add missing property examples to XDocs for Checkstyle Checks
Resolve Pitest Suppressions - filters
Resolve Pitest Suppressions - api
Refine newly added reuse of metadata and xdoc to simplify Javadocs
Resolve Pitest Suppressions - tree-walker
Resolve Pitest Suppressions
NoClassDefFound Exception during compilation on jdk25
Resolve Pitest Suppressions - xpath
MissingOverride: update doc example to show method without inheritDoc
Update `JavadocCommentsTokenTypes.java` to new format of AST print
implement IDE agnostic configuration with `editorconfig.org`
Examples Validation: content is same in all for single Check
Enforce file size on Java inputs
Add `rewrite` support for `errorprone.refasterrules`
XMLLoggerTest.java to use verifyWithInlineConfigParserAndXmlLogger
cleanup spotbugs suppression after next fb-contrib release
pitest: increase mutation coverage for indentation profile to 100%
Resolve error-prone violations
Remove CheckerFramework 'RegexChecker' annotation processor
XdocsExampleFileTest should catch fact that ExampleX.java is not referenced in respected Test class
SarifLoggerTest.java to use verifyWithInlineConfigParserAndLogger
Define violation messages for all violations
Intellij Idea setup: Add steps to change encoding of properties file to UTF-8.
Resolve Pitest Suppressions - ant
build failure in CI for project Configurate
Updating properties in Input files to mention all default properties,
Resolve Pitest Suppressions - common
Clarification needed for 5.2.5 Non-constant field names coverage in Google style
Resolve CheckerFramework violations
Convert eligible classes to records
resolve PMD warning during execution
Remove last example code block at at the bottom of examples for NoLineWrap

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.14%. Comparing base (45f34cc) to head (74a7f6d).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #7946   +/-   ##
=========================================
  Coverage     90.14%   90.14%           
  Complexity     7467     7467           
=========================================
  Files           834      834           
  Lines         22586    22586           
  Branches       2240     2240           
=========================================
  Hits          20360    20360           
  Misses         1527     1527           
  Partials        699      699           

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