dependabot maven(deps): bump checkstyle from 10.19.0 to 10.20.1

Bumps checkstyle from 10.19.0 to 10.20.1.

Release notes

Sourced from checkstyle's releases.

checkstyle-10.20.1

Checkstyle 10.20.1 - https://checkstyle.org/releasenotes.html#Release_10.20.1

Bug fixes:

#15851 - google_checks: False positive on left curly brace in switch statement with lambda-like construct

checkstyle-10.20.0

Checkstyle 10.20.0 - https://checkstyle.org/releasenotes.html#Release_10.20.0

Breaking backward compatibility:

#15687 - JavadocMethodCheck: removed unnecessary tokens from acceptable

New:

#14424 - HideUtilityClassConstructor - Add option to skip validation based on list of annotations

Bug fixes:

#15831 - google_checks.xml not allowing eol left curly for switch statement with lambda-like construct

Commits

• 892800d [maven-release-plugin] prepare release checkstyle-10.20.1
• 9a03ea8 doc: release notes for 10.20.1
• aef0bf1 Issue #13345: Enabled example tests for DefaultComesLast
• c4eaaba Issue #14631: Updated JAVADOC_INLINE_TAG_START of JavadocTokenTypes to new AS...
• c2a03ae Issue #13345: Enable examples tests for IllegalInstantiationCheck
• f75123e Issue #15851: suppress LeftCurlyNl for switch expressions
• 3dc2a3d Issue #13345: Enable examples tests for IllegalCatchCheck
• 2a843c0 Issue #13345: Enabled example tests for TrailingCommentCheck
• 3015216 Issue #13345: Enable examples tests for StringLiteralEqualityCheck
• aadc377 Issue #14625: fix noinspectionreason for TestMethodWithoutAssertion
• Additional commits viewable in compare view