Bump org.testcontainers:testcontainers in /java-loom

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]>

java-loom/build.gradle.kts

@@ -14,8 +14,8 @@ repositories {
 
 dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter:5.11.1")
-    testImplementation("org.testcontainers:testcontainers:1.20.1")
-    testImplementation("org.testcontainers:junit-jupiter:1.20.1")
+    testImplementation("org.testcontainers:testcontainers:1.20.2")
+    testImplementation("org.testcontainers:junit-jupiter:1.20.2")
     testRuntimeOnly("org.slf4j:slf4j-simple:2.0.16")
 }