Bump mockserver-netty from 5.12.0 to 5.13.2

Bumps [mockserver-netty](https://github.com/jamesdbloom/mockservice) from 5.12.0 to 5.13.2.
- [Release notes](https://github.com/jamesdbloom/mockservice/releases)
- [Changelog](https://github.com/mock-server/mockserver/blob/master/changelog.md)
- [Commits](mock-server/mockserver@mockserver-5.12.0...mockserver-5.13.2)

---
updated-dependencies:
- dependency-name: org.mock-server:mockserver-netty
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle

@@ -85,7 +85,7 @@ dependencies {
     testImplementation platform("org.spockframework:spock-bom:2.1-groovy-3.0")
     testImplementation("org.spockframework:spock-core")
 
-    functionalTestImplementation("org.mock-server:mockserver-netty:5.12.0")
+    functionalTestImplementation("org.mock-server:mockserver-netty:5.13.2")
     functionalTestImplementation("org.mock-server:mockserver-client-java:5.12.0")
 
 }