Bump io.spring.javaformat:spring-javaformat-gradle-plugin (#384)

Bumps [io.spring.javaformat:spring-javaformat-gradle-plugin](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](spring-io/spring-javaformat@v0.0.39...v0.0.40)

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

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

build.gradle

@@ -23,7 +23,7 @@ buildscript {
     dependencies {
         classpath("io.spring.gradle:dependency-management-plugin:1.1.4")
         classpath("org.jfrog.buildinfo:build-info-extractor-gradle:5.1.10")
-        classpath("io.spring.javaformat:spring-javaformat-gradle-plugin:0.0.39")
+        classpath("io.spring.javaformat:spring-javaformat-gradle-plugin:0.0.40")
         classpath("io.spring.nohttp:nohttp-gradle:${nohttpVersion}")
     }
 }