Bump testcontainers from 1.19.5 to 1.19.6

Bumps `testcontainers` from 1.19.5 to 1.19.6.

Updates `org.testcontainers:testcontainers` from 1.19.5 to 1.19.6
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.5...1.19.6)

Updates `org.testcontainers:junit-jupiter` from 1.19.5 to 1.19.6
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.5...1.19.6)

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

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

gradle/libs.versions.toml

@@ -19,7 +19,7 @@ assertj = "3.24.2"
 awaitility = "4.2.0"
 mockito = "5.5.0"
 wiremock = "2.35.1"
-testcontainers = "1.19.5"
+testcontainers = "1.19.6"
 braveBom = "5.14.1"
 reactorBom = "2022.0.16"
 asmForPlugins = "7.3.1"