dependabot maven(deps): bump checkstyle from 10.12.0 to 10.12.1

Bumps checkstyle from 10.12.0 to 10.12.1.

Release notes

Sourced from checkstyle's releases.

checkstyle-10.12.1

Checkstyle 10.12.1 - https://checkstyle.org/releasenotes.html#Release_10.12.1

Bug fixes:

#13140 - SimplifyBooleanExpressionCheck throw NullPointerException while checking ternary operator

Commits

• 3a4df8d [maven-release-plugin] prepare release checkstyle-10.12.1
• f938341 doc: release notes for 10.12.1
• 38fef1e Issue #13283: Move Filters and File Filters to be a sibling of Checks in site...
• 852339d minor: add link to suppression to fix linkcheck plugin execution
• 67a1ca9 minor: Fix Indentation
• 2cb09d6 Issue #13100: Create tests from WhitespaceAround xdoc examples
• 3886dd4 minor: add forgotten check in table
• 6c0e374 Issue #13288: Remove redundant check name in anchor
• 6cbca88 Issue #13109: Kill mutation for OneStatementPerLineCheck-2
• aacd217 Issue #13109: Kill mutation for NestedIfDepthCheck
• Additional commits viewable in compare view