Bump lib.testcontainers.version from 1.18.3 to 1.19.3

Bumps `lib.testcontainers.version` from 1.18.3 to 1.19.3.

Updates `org.testcontainers:redpanda` from 1.18.3 to 1.19.3
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.18.3...1.19.3)

Updates `org.testcontainers:postgresql` from 1.18.3 to 1.19.3
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.18.3...1.19.3)

---
updated-dependencies:
- dependency-name: org.testcontainers:redpanda
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.testcontainers:postgresql
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -106,7 +106,7 @@
         <lib.packageurl.version>1.4.1</lib.packageurl.version>
         <lib.pebble.version>3.2.0</lib.pebble.version>
         <lib.protobuf-java.version>3.25.1</lib.protobuf-java.version>
-        <lib.testcontainers.version>1.18.3</lib.testcontainers.version>
+        <lib.testcontainers.version>1.19.3</lib.testcontainers.version>
         <lib.resilience4j.version>2.1.0</lib.resilience4j.version>
         <lib.snappy-java.version>1.1.10.5</lib.snappy-java.version>
         <lib.versatile.version>0.3.0</lib.versatile.version>