Bump org.postgresql:postgresql from 42.7.2 to 42.7.3 (#764)

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.2 to 42.7.3.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.2...REL42.7.3)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -114,7 +114,7 @@
     <jackson.version>2.16.2</jackson.version>
     <mysql.version>8.3.0</mysql.version>
     <netty.version>4.1.107.Final</netty.version>
-    <postgresql.version>42.7.2</postgresql.version>
+    <postgresql.version>42.7.3</postgresql.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <slf4j.version>2.0.12</slf4j.version>