Bump kotest-assertions-core from 5.1.0 to 5.2.1

Bumps [kotest-assertions-core](https://github.com/kotest/kotest) from 5.1.0 to 5.2.1.
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.1.0...v5.2.1)

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

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

build.gradle

@@ -18,7 +18,7 @@ dependencies {
     implementation "org.jetbrains.kotlinx:kotlinx-serialization-core-jvm:1.3.2"
     implementation "com.amazon.ion:ion-java:1.9.2"
     testImplementation "io.kotest:kotest-runner-junit5:5.2.1"
-    testImplementation "io.kotest:kotest-assertions-core:5.1.0"
+    testImplementation "io.kotest:kotest-assertions-core:5.2.1"
 }
 
 compileKotlin {