Bump com.guardsquare:proguard-retrace from 7.5.0 to 7.6.0 (#88)

Bumps [com.guardsquare:proguard-retrace](https://github.com/Guardsquare/proguard) from 7.5.0 to 7.6.0.
- [Release notes](https://github.com/Guardsquare/proguard/releases)
- [Commits](Guardsquare/proguard@v7.5...v7.6)

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

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

gradle/libs.versions.toml

@@ -11,7 +11,7 @@ depUpdates = "com.github.ben-manes.versions:0.51.0"
 kover = "org.jetbrains.kotlinx.kover:0.8.3"
 
 [libraries]
-proguard-retrace = "com.guardsquare:proguard-retrace:7.5.0"
+proguard-retrace = "com.guardsquare:proguard-retrace:7.6.0"
 okio = "com.squareup.okio:okio:3.9.1"
 ktlint = "com.pinterest.ktlint:ktlint-cli:1.3.1"
 junit-bom = "org.junit:junit-bom:5.11.1"