Bump the gradle group across 1 directory with 4 updates

Bumps the gradle group with 4 updates in the / directory: [org.springdoc:springdoc-openapi-starter-webmvc-ui](https://github.com/springdoc/springdoc-openapi), [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc), [org.json:json](https://github.com/douglascrockford/JSON-java) and [io.mockk:mockk](https://github.com/mockk/mockk).


Updates `org.springdoc:springdoc-openapi-starter-webmvc-ui` from 2.8.1 to 2.8.3
- [Release notes](https://github.com/springdoc/springdoc-openapi/releases)
- [Changelog](https://github.com/springdoc/springdoc-openapi/blob/main/CHANGELOG.md)
- [Commits](springdoc/springdoc-openapi@v2.8.1...v2.8.3)

Updates `org.postgresql:postgresql` 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)

Updates `org.json:json` from 20241224 to 20250107
- [Release notes](https://github.com/douglascrockford/JSON-java/releases)
- [Changelog](https://github.com/stleary/JSON-java/blob/master/docs/RELEASES.md)
- [Commits](https://github.com/douglascrockford/JSON-java/commits)

Updates `io.mockk:mockk` from 1.13.14 to 1.13.16
- [Release notes](https://github.com/mockk/mockk/releases)
- [Commits](mockk/mockk@1.13.14...1.13.16)

---
updated-dependencies:
- dependency-name: org.springdoc:springdoc-openapi-starter-webmvc-ui
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.postgresql:postgresql
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.json:json
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: gradle
- dependency-name: io.mockk:mockk
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
...

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

build.gradle.kts

@@ -30,18 +30,18 @@ val retryVersion = "2.0.11"
 val zalandoVersion = "0.27.0"
 val openhtmltopdfVersion = "1.0.10"
 val handlebarsVersion = "4.4.0"
-val postgresqlVersion = "42.7.4"
+val postgresqlVersion = "42.7.5"
 val awailitilityKotlinVersion = "4.2.2"
 val assertkJvmVersion = "0.28.1"
 val springMockkVersion = "4.0.2"
-val mockkVersion = "1.13.14"
+val mockkVersion = "1.13.16"
 val guavaVersion = "33.4.0-jre"
-val orgJsonVersion = "20241224"
+val orgJsonVersion = "20250107"
 val graphQLKotlinVersion = "8.2.1"
 val k9FormatVersion = "9.5.0"
 val teamDokumenthåndteringAvroSchemaVersion = "357738b9"
 val testContainersVersion = "1.20.4"
-val springdocVersion = "2.8.1"
+val springdocVersion = "2.8.3"
 
 repositories {
     mavenCentral()