build(deps): bump com.guardsquare:proguard-core from 9.1.2 to 9.1.3

Bumps [com.guardsquare:proguard-core](https://github.com/Guardsquare/proguard-core) from 9.1.2 to 9.1.3.
- [Release notes](https://github.com/Guardsquare/proguard-core/releases)
- [Commits](Guardsquare/proguard-core@v9.1.2...v9.1.3)

---
updated-dependencies:
- dependency-name: com.guardsquare:proguard-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -129,7 +129,7 @@ proguard = "7.4.2"
 # ProGuardCORE, library to read, analyze, modify, and write JVM class files.
 # https://github.com/Guardsquare/proguard-core/releases
 # https://mvnrepository.com/artifact/com.guardsquare/proguard-core.
-proguard-core = "9.1.2"
+proguard-core = "9.1.3"
 
 # Kotlin JVM metadata manipulation library.
 # Used by ProGuardCORE.