Bump postgresql from 42.1.4 to 42.3.3

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.1.4 to 42.3.3.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pgjdbc/pgjdbc/compare/REL42.1.4...REL42.3.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

fineract-provider/build.gradle

@@ -202,7 +202,7 @@ configurations {
 }
 dependencies {
     driver 'org.mariadb.jdbc:mariadb-java-client:2.7.4'
-    driver 'org.postgresql:postgresql:42.1.4'
+    driver 'org.postgresql:postgresql:42.3.3'
 }
 
 URLClassLoader loader = GroovyObject.class.classLoader