Bump io.mockk:mockk from 1.13.7 to 1.13.8

Bumps [io.mockk:mockk](https://github.com/mockk/mockk) from 1.13.7 to 1.13.8.
- [Release notes](https://github.com/mockk/mockk/releases)
- [Commits](mockk/mockk@1.13.7...1.13.8)

---
updated-dependencies:
- dependency-name: io.mockk:mockk
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

app/build.gradle.kts

@@ -136,7 +136,7 @@ dependencies {
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 
     // https://github.com/mockk/mockk/releases
-    testImplementation("io.mockk:mockk:1.13.7")
+    testImplementation("io.mockk:mockk:1.13.8")
 
     // https://github.com/assertj/assertj-core/tags
     testImplementation("org.assertj:assertj-core:3.24.2")