build(deps): Bump org.postgresql:postgresql from 42.7.8 to 42.7.9

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.8 to 42.7.9.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.8...REL42.7.9)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -41,7 +41,7 @@ dependencies {
 
     implementation("org.hibernate:hibernate-core:7.2.1.Final")
     implementation("net.ttddyy:datasource-proxy:1.11.0")
-    implementation("org.postgresql:postgresql:42.7.8")
+    implementation("org.postgresql:postgresql:42.7.9")
     implementation("com.zaxxer:HikariCP:7.0.2")
     implementation("com.vladmihalcea.flexy-pool:flexy-hikaricp:3.1.1")
     implementation("io.lettuce:lettuce-core:7.2.1.RELEASE")