chore(deps): Bump com.diffplug.spotless:spotless-maven-plugin (#1525)

Bumps [com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless) from 2.39.0 to 2.40.0.
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@lib/2.39.0...lib/2.40.0)

---
updated-dependencies:
- dependency-name: com.diffplug.spotless:spotless-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -101,7 +101,7 @@
         <maven-surefire-plugin.version>3.1.2</maven-surefire-plugin.version>
         <maven-compiler-plugin.version>3.11.0</maven-compiler-plugin.version>
         <versions-maven-plugin.version>2.8.1</versions-maven-plugin.version>
-        <spotless-maven-plugin.version>2.39.0</spotless-maven-plugin.version>
+        <spotless-maven-plugin.version>2.40.0</spotless-maven-plugin.version>
         <gitflow-incremental-builder.version>4.5.1</gitflow-incremental-builder.version>
 
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