Update dependency io.mockk:mockk to v1.13.13 (#423)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -95,7 +95,7 @@ sqldelight-dialects-sql = { module = "app.cash.sqldelight:sqlite-3-38-dialect",
 
 junit = "org.junit.jupiter:junit-jupiter:5.11.2"
 kotest-assertions = "io.kotest:kotest-assertions-core:5.9.1"
-mockk = "io.mockk:mockk:1.13.12"
+mockk = "io.mockk:mockk:1.13.13"
 
 voyager-navigator = { module = "cafe.adriel.voyager:voyager-navigator", version.ref = "voyager" }
 voyager-screenmodel = { module = "cafe.adriel.voyager:voyager-screenmodel", version.ref = "voyager" }