Bump io.kotest:kotest-assertions-core in /kotlin-coroutines

Bumps [io.kotest:kotest-assertions-core](https://github.com/kotest/kotest) from 5.9.0 to 5.9.1.
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.9.0...v5.9.1)

---
updated-dependencies:
- dependency-name: io.kotest:kotest-assertions-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

kotlin-coroutines/build.gradle.kts

@@ -21,7 +21,7 @@ dependencies {
     implementation("io.ktor:ktor-client-java:2.3.11")
 
     testImplementation("io.kotest:kotest-runner-junit5:5.9.0")
-    testImplementation("io.kotest:kotest-assertions-core:5.9.0")
+    testImplementation("io.kotest:kotest-assertions-core:5.9.1")
     testImplementation("io.kotest.extensions:kotest-extensions-testcontainers:2.0.2")
     runtimeOnly("org.slf4j:slf4j-simple:2.0.13")
 }