build(deps): bump com.android.tools:r8 from 8.13.17 to 8.13.19 (#4064)

Bumps com.android.tools:r8 from 8.13.17 to 8.13.19.

---
updated-dependencies:
- dependency-name: com.android.tools:r8
  dependency-version: 8.13.19
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ commons_lang3 = "3.20.0"
 commons_text = "1.15.0"
 guava = "33.5.0-jre"
 junit = "4.13.2"
-r8 = "8.13.17"
+r8 = "8.13.19"
 smali = "b6365a84f4" # https://github.com/google/smali/issues/100
 xmlpull = "1.1.3.1"
 xmlunit = "2.11.0"