Bump org.postgresql:postgresql from 42.7.3 to 42.7.4

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.3 to 42.7.4.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.3...REL42.7.4)

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

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

app/build.gradle.kts

@@ -66,7 +66,7 @@ dependencies {
     implementation(project(":tilgang"))
     implementation("com.zaxxer:HikariCP:5.1.0")
     implementation("org.flywaydb:flyway-database-postgresql:10.17.1")
-    runtimeOnly("org.postgresql:postgresql:42.7.3")
+    runtimeOnly("org.postgresql:postgresql:42.7.4")
 
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.11.0")
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.11.0")