Bump org.testcontainers:testcontainers from 1.20.1 to 1.20.2

Bumps [org.testcontainers:testcontainers](https://github.com/testcontainers/testcontainers-java) from 1.20.1 to 1.20.2.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.1...1.20.2)

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

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

gradle/libs.versions.toml

@@ -54,7 +54,7 @@ protobuf-kotlin = { module = "com.google.protobuf:protobuf-kotlin", version.ref
 protobuf-kotlinlite = { module = "com.google.protobuf:protobuf-kotlin-lite", version.ref = "protobuf" }
 slf4j-simple = { module = "org.slf4j:slf4j-simple", version.ref = "slf4j" }
 spotless = { module = "com.diffplug.spotless:spotless-plugin-gradle", version.ref = "spotless" }
-testcontainers = { module = "org.testcontainers:testcontainers", version = "1.20.1" }
+testcontainers = { module = "org.testcontainers:testcontainers", version = "1.20.2" }
 
 [plugins]
 git = { id = "com.palantir.git-version", version = "3.1.0" }