build(deps): bump org.postgresql:postgresql in /obp-api

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.11 to 42.7.12.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.11...REL42.7.12)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.12
  dependency-type: direct:production
...

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

Author: dependabot[bot]

obp-api/pom.xml

@@ -79,7 +79,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.7.11</version>
+      <version>42.7.12</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/com.oracle.database.jdbc/ojdbc8-production -->
     <dependency>