Bump com.diffplug.spotless from 6.23.1 to 6.23.3

Bumps com.diffplug.spotless from 6.23.1 to 6.23.3.

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

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

build.gradle.kts

@@ -10,7 +10,7 @@ val testContainersVersion = "1.19.3"
 plugins {
     application
     kotlin("jvm") version "1.9.20"
-    id("com.diffplug.spotless") version "6.23.1"
+    id("com.diffplug.spotless") version "6.23.3"
     // id("ca.cutterslade.analyze") version "1.9.1"
 }