chore(deps): bump org.testcontainers:localstack from 1.20.3 to 1.20.4

Bumps [org.testcontainers:localstack](https://github.com/testcontainers/testcontainers-java) from 1.20.3 to 1.20.4.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.3...1.20.4)

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

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle

@@ -100,7 +100,7 @@ dependencies {
     // containers
     testImplementation "org.testcontainers:junit-jupiter:1.20.3"
     testImplementation "org.testcontainers:testcontainers:1.20.3"
-    testImplementation "org.testcontainers:localstack:1.20.3"
+    testImplementation "org.testcontainers:localstack:1.20.4"
     testImplementation "com.amazonaws:aws-java-sdk-s3"
 
     // test