Bump com.puppycrawl.tools:checkstyle from 10.12.5 to 10.12.6 (#74)

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 10.12.5 to 10.12.6.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-10.12.5...checkstyle-10.12.6)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -155,7 +155,7 @@
 
 		<version.com.github.spotbugs>4.8.2.0</version.com.github.spotbugs>
 		<version.com.google.cloud.tools.plugins.jib>3.4.0</version.com.google.cloud.tools.plugins.jib>
-		<version.com.puppycrawl.tools.checkstyle>10.12.5</version.com.puppycrawl.tools.checkstyle>
+		<version.com.puppycrawl.tools.checkstyle>10.12.6</version.com.puppycrawl.tools.checkstyle>
 		<version.io.kokuwa.maven.parent>0.6.14-SNAPSHOT</version.io.kokuwa.maven.parent>
 		<version.io.github.git-commit-id>7.0.0</version.io.github.git-commit-id>
 		<version.org.jacoco>0.8.11</version.org.jacoco>