Bump org.testcontainers:junit-jupiter (#236)

Bumps the dependencies group in /http4k-app with 1 update: [org.testcontainers:junit-jupiter](https://github.com/testcontainers/testcontainers-java).


Updates `org.testcontainers:junit-jupiter` from 1.20.2 to 1.20.3
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.2...1.20.3)

---
updated-dependencies:
- dependency-name: org.testcontainers:junit-jupiter
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

http4k-app/build.gradle.kts

@@ -49,7 +49,7 @@ dependencies {
   testImplementation("org.junit.jupiter:junit-jupiter-engine:$junitVersion")
 
   testImplementation("io.mockk:mockk:1.13.13")
-  testImplementation("org.testcontainers:junit-jupiter:1.20.2")
+  testImplementation("org.testcontainers:junit-jupiter:1.20.3")
 }
 
 java {