Bump org.spockframework:spock-core

Bumps org.spockframework:spock-core from 2.4-M6-groovy-4.0 to 2.4-groovy-5.0-SNAPSHOT.

---
updated-dependencies:
- dependency-name: org.spockframework:spock-core
  dependency-version: 2.4-groovy-5.0-SNAPSHOT
  dependency-type: direct:production
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -53,7 +53,7 @@ mockk = "io.mockk:mockk:1.14.6"
 diff-utils = "io.github.java-diff-utils:java-diff-utils:4.16"
 
 groovy-bom = "org.apache.groovy:groovy-bom:4.0.28"
-spock = "org.spockframework:spock-core:2.4-M6-groovy-4.0"
+spock = "org.spockframework:spock-core:2.4-groovy-5.0-SNAPSHOT"
 
 # for buildSrc convention plugins
 plugin-build = { module = "io.openapiprocessor:build-plugins", version.ref = "build-plugins" }