chore(deps): bump org.postgresql:postgresql from 42.7.2 to 42.7.8

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.2 to 42.7.8.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.2...REL42.7.8)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -69,7 +69,7 @@
 		<dependency>
 			<groupId>org.postgresql</groupId>
 			<artifactId>postgresql</artifactId>
-			<version>42.7.2</version>
+			<version>42.7.8</version>
 		</dependency>
 
 		<dependency>
@@ -169,7 +169,7 @@
 				<dependency>
 					<groupId>org.postgresql</groupId>
 					<artifactId>postgresql</artifactId>
-					<version>42.7.2</version>
+					<version>42.7.8</version>
 				</dependency>
 				</dependencies>
 			</plugin>