Bump org.spockframework:spock-core

Bumps [org.spockframework:spock-core](https://github.com/spockframework/spock) from 2.4-M4-groovy-3.0 to 2.4-M5-groovy-4.0.
- [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-type: direct:production
...

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

Author: dependabot[bot]

pom.xml

@@ -44,7 +44,7 @@
       <version.junit.jupiter>5.11.3</version.junit.jupiter>
       <!-- version.spock and version.junit.platform should be upgraded together -->
       <!-- see https://github.com/weld/weld-testing/pull/184#issuecomment-2024300488 -->
-      <version.spock>2.4-M4-groovy-3.0</version.spock>
+      <version.spock>2.4-M5-groovy-4.0</version.spock>
       <version.junit.platform>1.11.3</version.junit.platform>
       <version.groovy>3.0.22</version.groovy>
       <version.weld>6.0.0.Beta4</version.weld>