Bump io.github.java-diff-utils:java-diff-utils from 4.12 to 4.15

Bumps [io.github.java-diff-utils:java-diff-utils](https://github.com/java-diff-utils/java-diff-utils) from 4.12 to 4.15.
- [Release notes](https://github.com/java-diff-utils/java-diff-utils/releases)
- [Changelog](https://github.com/java-diff-utils/java-diff-utils/blob/master/CHANGELOG.md)
- [Commits](java-diff-utils/java-diff-utils@java-diff-utils-parent-4.12...java-diff-utils-parent-4.15)

---
updated-dependencies:
- dependency-name: io.github.java-diff-utils:java-diff-utils
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle

@@ -197,7 +197,7 @@ dependencies {
     implementation 'io.github.thibaultmeyer:cuid:2.0.3'
     // endregion
 
-    implementation 'io.github.java-diff-utils:java-diff-utils:4.12'
+    implementation 'io.github.java-diff-utils:java-diff-utils:4.15'
     implementation 'info.debatty:java-string-similarity:2.0.0'
     implementation 'com.github.javakeyring:java-keyring:1.0.4'