Bump org.postgresql:postgresql from 42.7.4 to 42.7.5 (#231)

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.4 to 42.7.5.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.4...REL42.7.5)

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

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tika-gui-app/pom.xml

@@ -91,7 +91,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.7.4</version>
+      <version>42.7.5</version>
     </dependency>
     <dependency>
       <groupId>com.h2database</groupId>