Update dependency io.mockk:mockk to v1.13.12

gradle/libs.versions.toml

@@ -35,4 +35,4 @@ junit = { group = "junit", name = "junit", version = "4.13.2" }
 junit-jupiter-api = { group = "org.junit.jupiter", name = "junit-jupiter-api", version.ref = "junit-jupiter" }
 junit-jupiter-engine = { group = "org.junit.jupiter", name = "junit-jupiter-engine", version.ref = "junit-jupiter" }
 kluent = { group = "org.amshove.kluent", name = "kluent", version = "1.72" }
-mockk = { group = "io.mockk", name = "mockk", version = "1.13.4" }
+mockk = { group = "io.mockk", name = "mockk", version = "1.13.12" }