Bump com.puppycrawl.tools:checkstyle from 10.4 to 10.26.1

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 10.4 to 10.26.1.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](https://github.com/checkstyle/checkstyle/compare/checkstyle-10.4...checkstyle-10.26.1)

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-version: 10.26.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle

@@ -30,7 +30,7 @@ allprojects {
         nanojsonVersion = "e9d656ddb49a412a5a0a5d5ef20ca7ef09549996"
         jsr305Version = "3.0.2"
         junitVersion = "5.14.0"
-        checkstyleVersion = "10.4"
+        checkstyleVersion = "10.26.1"
     }
 }