build(deps): bump org.spockframework:spock-core

Bumps [org.spockframework:spock-core](https://github.com/spockframework/spock) from 2.4-groovy-5.0 to 2.5-groovy-5.0.
- [Release notes](https://github.com/spockframework/spock/releases)
- [Changelog](https://github.com/spockframework/spock/blob/master/docs/release_notes.adoc)
- [Commits](https://github.com/spockframework/spock/commits)

---
updated-dependencies:
- dependency-name: org.spockframework:spock-core
  dependency-version: 2.5-groovy-5.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -26,7 +26,7 @@ kotest-table = { module = "io.kotest:kotest-assertions-table" }
 mockk = "io.mockk:mockk:1.14.11"
 
 groovy-bom = "org.apache.groovy:groovy-bom:5.1.2"
-spock = "org.spockframework:spock-core:2.4-groovy-5.0"
+spock = "org.spockframework:spock-core:2.5-groovy-5.0"
 
 # for buildSrc convention plugins
 plugin-build = { module = "io.openapiprocessor:build-plugins", version.ref = "build-plugins" }