Bump postgresql from 1.11.2 to 1.11.3

Bumps [postgresql](https://github.com/testcontainers/testcontainers-java) from 1.11.2 to 1.11.3.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/master/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.11.2...1.11.3)

pom.xml

@@ -12,7 +12,7 @@
 
         <dropwizard.version>1.3.11</dropwizard.version>
         <jackson.version>2.9.8</jackson.version>
-        <testcontainers.version>1.11.2</testcontainers.version>
+        <testcontainers.version>1.11.3</testcontainers.version>
         <postgresql.version>42.2.5</postgresql.version>
         <pay-java-commons.version>1.0.20190603150514</pay-java-commons.version>
         <guice.version>4.2.2</guice.version>