Bump spock-core from 2.0-M5-groovy-3.0 to 2.0-groovy-3.0 (#259)

Bumps spock-core from 2.0-M5-groovy-3.0 to 2.0-groovy-3.0.

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -187,7 +187,7 @@
     <dependency>
       <groupId>org.spockframework</groupId>
       <artifactId>spock-core</artifactId>
-      <version>2.0-M5-groovy-3.0</version>
+      <version>2.0-groovy-3.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>