Bump com.guardsquare:proguard-retrace from 7.4.1 to 7.4.2 (#53)

Bumps [com.guardsquare:proguard-retrace](https://github.com/Guardsquare/proguard) from 7.4.1 to 7.4.2.
- [Release notes](https://github.com/Guardsquare/proguard/releases)
- [Commits](Guardsquare/proguard@v7.4.1...v7.4.2)

---
updated-dependencies:
- dependency-name: com.guardsquare:proguard-retrace
  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>
Co-authored-by: Christian Grach <[email protected]>

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ kover = "org.jetbrains.kotlinx.kover:0.7.5"
 
 [libraries]
 kotlin-stdlib-jdk8 = { module = "org.jetbrains.kotlin:kotlin-stdlib-jdk8", version.ref = "kotlin"}
-proguard-retrace = "com.guardsquare:proguard-retrace:7.4.1"
+proguard-retrace = "com.guardsquare:proguard-retrace:7.4.2"
 okio = "com.squareup.okio:okio:3.9.0"
 ktlint = "com.pinterest.ktlint:ktlint-cli:1.1.1"
 junit-bom = "org.junit:junit-bom:5.10.2"