build(deps): bump org.testcontainers:testcontainers

Bumps [org.testcontainers:testcontainers](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:testcontainers
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -131,9 +131,9 @@ testing {
         integrationTest(JvmTestSuite) {
             dependencies {
                 implementation project
-                implementation 'org.testcontainers:junit-jupiter:1.20.3'
-                implementation 'org.testcontainers:localstack:1.20.3'
-                implementation 'org.testcontainers:testcontainers:1.20.3'
+                implementation 'org.testcontainers:junit-jupiter:1.20.4'
+                implementation 'org.testcontainers:localstack:1.20.4'
+                implementation 'org.testcontainers:testcontainers:1.20.4'
             }
         }
         withType(JvmTestSuite).configureEach {