OLMIS-8156: Minimal PostgreSQL 14 compatibility

Author: pwargulak

build.gradle

@@ -41,7 +41,7 @@ dependencies {
     compile "com.fasterxml.jackson.datatype:jackson-datatype-hibernate4"
     compile "org.projectlombok:lombok"
     compile "org.springframework.boot:spring-boot-starter-data-jpa"
-    compile "org.postgresql:postgresql:42.0.0"
+    compile "org.postgresql:postgresql:42.6.2"
     compile "org.springframework.boot:spring-boot-starter-integration"
     compile "org.springframework.integration:spring-integration-jdbc"
     compile "org.springframework:spring-test"