Bump spotless-plugin-gradle from 6.11.0 to 6.14.0

Bumps [spotless-plugin-gradle](https://github.com/diffplug/spotless) from 6.11.0 to 6.14.0.
- [Release notes](https://github.com/diffplug/spotless/releases)
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@gradle/6.11.0...gradle/6.14.0)

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

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

Author: dependabot[bot]

buildSrc/build.gradle.kts

@@ -12,7 +12,7 @@ repositories {
 dependencies {
 	implementation(kotlin("gradle-plugin"))
 	implementation("biz.aQute.bnd:biz.aQute.bnd.gradle:6.4.0")
-	implementation("com.diffplug.spotless:spotless-plugin-gradle:6.11.0")
+	implementation("com.diffplug.spotless:spotless-plugin-gradle:6.14.0")
 	implementation("com.github.ben-manes:gradle-versions-plugin:0.44.0")
 	implementation("gradle.plugin.com.github.johnrengelman:shadow:7.1.2")
 	compileOnly("com.gradle:gradle-enterprise-gradle-plugin:3.12.2") // keep in sync with root settings.gradle.kts