dependency: bump com.puppycrawl.tools:checkstyle

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 12.1.1 to 12.1.2.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-12.1.1...checkstyle-12.1.2)

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-version: 12.1.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

sevntu-checkstyle-sonar-plugin/pom.xml

@@ -26,7 +26,7 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <checkstyle.version>12.1.1</checkstyle.version>
+    <checkstyle.version>12.1.2</checkstyle.version>
     <checkstyle.plugin.version>3.6.0</checkstyle.plugin.version>
     <sonar.version>7.9</sonar.version>
     <staxmate.version>2.0.1</staxmate.version>