Merge pull request #546 from lookfirst/dependabot/maven/org.testcontainers-postgresql-1.21.0

Author: dependabot[bot]

pom.xml

@@ -357,7 +357,7 @@
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>postgresql</artifactId>
-            <version>1.20.4</version>
+            <version>1.21.0</version>
             <scope>test</scope>
         </dependency>
     </dependencies>