Bump org.testcontainers:postgresql from 1.19.3 to 1.19.6

Bumps [org.testcontainers:postgresql](https://github.com/testcontainers/testcontainers-java) from 1.19.3 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@1.19.3...1.19.6)

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

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

pom.xml

@@ -15,7 +15,7 @@
 
         <jooq.version>3.19.5</jooq.version>
         <flyway.version>10.6.0</flyway.version>
-        <testcontainers.version>1.19.3</testcontainers.version>
+        <testcontainers.version>1.19.6</testcontainers.version>
         <postgresql.version>42.7.2</postgresql.version>
     </properties>