chore(deps): bump kotestVersion from 5.2.3 to 5.3.0

Bumps `kotestVersion` from 5.2.3 to 5.3.0.

Updates `kotest-runner-junit5-jvm` from 5.2.3 to 5.3.0
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.2.3...v5.3.0)

Updates `kotest-assertions-core-jvm` from 5.2.3 to 5.3.0
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.2.3...v5.3.0)

---
updated-dependencies:
- dependency-name: io.kotest:kotest-runner-junit5-jvm
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.kotest:kotest-assertions-core-jvm
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -11,7 +11,7 @@ val nettyVersion = "4.1.76.Final"
 val junitJupiterVersion = "5.8.2"
 val kotlinVersion = "1.6.21"
 val freemarkerVersion = "2.3.31"
-val kotestVersion = "5.2.3"
+val kotestVersion = "5.3.0"
 val bouncyCastleVersion = "1.70"
 val springBootVersion = "2.6.7"
 val reactorTestVersion = "3.4.17"