2.3.x: Bump io.spring.javaformat from 0.0.39 to 0.0.40

Bumps [io.spring.javaformat](https://github.com/spring-io/spring-javaformat) from 0.0.39 to 0.0.40.
- [Release notes](https://github.com/spring-io/spring-javaformat/releases)
- [Commits](https://github.com/spring-io/spring-javaformat/compare/v0.0.39...v0.0.40)

---
updated-dependencies:
- dependency-name: io.spring.javaformat
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -18,7 +18,7 @@ plugins {
 	id 'checkstyle'
 	id 'io.spring.nohttp' version '0.0.11'
 	id 'io.spring.dependency-management' version '1.0.15.RELEASE'
-	id 'io.spring.javaformat' version '0.0.39'
+	id 'io.spring.javaformat' version '0.0.40'
 }
 
 description = "Spring CredHub"