Update dependency org.postgresql:postgresql to v42.3.4

Signed-off-by: Renovate Bot <bot@renovateapp.com>

build.gradle

@@ -61,7 +61,7 @@ subprojects {
         mockitoVersion = '4.4.0'
         openlineageVersion = '0.6.2'
         slf4jVersion = '1.7.36'
-        postgresqlVersion = '42.3.3'
+        postgresqlVersion = '42.3.4'
         isReleaseVersion = !version.endsWith('SNAPSHOT')
     }