chore(deps): bump com.diffplug.spotless from 6.18.0 to 6.19.0

Bumps com.diffplug.spotless from 6.18.0 to 6.19.0.

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

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

build.gradle

@@ -1,7 +1,7 @@
 plugins {
     id 'com.google.cloud.tools.jib' version '3.3.2'
     id("io.micronaut.application") version "3.7.0"
-    id "com.diffplug.spotless" version "6.18.0"
+    id "com.diffplug.spotless" version "6.19.0"
     id "jacoco"
     id "idea"
 }