Bump com.puppycrawl.tools:checkstyle from 10.20.0 to 10.26.0

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-version: 10.26.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -73,7 +73,7 @@
         <!-- @formatter:off -->
         <assertj.version>3.27.3</assertj.version>
         <buildplan-maven-plugin.version>1.5</buildplan-maven-plugin.version>
-        <checkstyle.version>10.20.0</checkstyle.version>
+        <checkstyle.version>10.26.0</checkstyle.version>
         <coverage.branches>100</coverage.branches>
         <coverage.instructions>100</coverage.instructions>
         <coverage.lines>100</coverage.lines>