chore(deps): bump io.github.java-diff-utils:java-diff-utils

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] <support@github.com>

pom.xml

@@ -75,7 +75,7 @@
     <caffeine.version>3.1.8</caffeine.version>
     <mustache.version>0.9.11</mustache.version>
     <commons.io.version>2.18.0</commons.io.version>
-    <java.diff.version>4.12</java.diff.version>
+    <java.diff.version>4.15</java.diff.version>
 
     <fmt-maven-plugin.version>2.11</fmt-maven-plugin.version>
     <maven-compiler-plugin.version>3.12.1</maven-compiler-plugin.version>