Bump postgresql from 42.2.23 to 42.2.24

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.2.23 to 42.2.24.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/REL42.2.24/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.2.23...REL42.2.24)

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

Signed-off-by: dependabot[bot] <[email protected]>

core/pom.xml

@@ -520,7 +520,7 @@ Copyright (c) 2012 Jeremy Long. All Rights Reserved.
                 <dependency>
                     <groupId>org.postgresql</groupId>
                     <artifactId>postgresql</artifactId>
-                    <version>42.2.23</version>
+                    <version>42.2.24</version>
                 </dependency>
             </dependencies>
             <build>