Bump org.jetbrains.kotlinx:kover-gradle-plugin from 0.7.6 to 0.8.3

Bumps [org.jetbrains.kotlinx:kover-gradle-plugin](https://github.com/Kotlin/kotlinx-kover) from 0.7.6 to 0.8.3.
- [Release notes](https://github.com/Kotlin/kotlinx-kover/releases)
- [Changelog](https://github.com/Kotlin/kotlinx-kover/blob/main/CHANGELOG.md)
- [Commits](Kotlin/kotlinx-kover@v0.7.6...v0.8.3)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlinx:kover-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

gradle/libs.versions.toml

@@ -23,7 +23,7 @@ google-auto-value = "1.11.0"
 gtoSupport = "4.2.1"
 kotlin = "2.0.10"
 kotlinCoroutines = "1.8.1"
-kotlinKover = "0.7.6"
+kotlinKover = "0.8.3"
 ksp = "2.0.10-1.0.24"
 ktlint = "1.3.1"
 ktlintGradle = "12.1.1"