Bump io.github.java-diff-utils:java-diff-utils from 4.15 to 4.16

Bumps [io.github.java-diff-utils:java-diff-utils](https://github.com/java-diff-utils/java-diff-utils) from 4.15 to 4.16.
- [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-4.15...java-diff-utils-parent-4.16)

---
updated-dependencies:
- dependency-name: io.github.java-diff-utils:java-diff-utils
  dependency-version: '4.16'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -47,7 +47,7 @@ kotest-runner = { module = "io.kotest:kotest-runner-junit5" }
 kotest-datatest = { module = "io.kotest:kotest-framework-datatest" }
 mockk = "io.mockk:mockk:1.14.4"
 
-diff-utils = "io.github.java-diff-utils:java-diff-utils:4.15"
+diff-utils = "io.github.java-diff-utils:java-diff-utils:4.16"
 
 groovy-bom = "org.apache.groovy:groovy-bom:4.0.27"
 spock = "org.spockframework:spock-core:2.3-groovy-4.0"