build(deps): bump org.xmlunit:xmlunit-legacy from 2.10.3 to 2.10.4 (#3977)

Bumps [org.xmlunit:xmlunit-legacy](https://github.com/xmlunit/xmlunit) from 2.10.3 to 2.10.4.
- [Release notes](https://github.com/xmlunit/xmlunit/releases)
- [Changelog](https://github.com/xmlunit/xmlunit/blob/main/RELEASE_NOTES.md)
- [Commits](xmlunit/xmlunit@v2.10.3...v2.10.4)

---
updated-dependencies:
- dependency-name: org.xmlunit:xmlunit-legacy
  dependency-version: 2.10.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ junit = "4.13.2"
 r8 = "8.7.18"
 smali = "3.0.9"
 xmlpull = "1.1.3.1"
-xmlunit = "2.10.3"
+xmlunit = "2.10.4"
 
 [libraries]
 baksmali = { module = "com.android.tools.smali:smali-baksmali", version.ref = "baksmali" }