chore(deps): bump spock-bom from 2.1-groovy-3.0 to 2.3-groovy-4.0

Bumps spock-bom from 2.1-groovy-3.0 to 2.3-groovy-4.0.

---
updated-dependencies:
- dependency-name: org.spockframework:spock-bom
  dependency-type: direct:production
...

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

dependencies/build.gradle

@@ -9,7 +9,7 @@ javaPlatform {
 dependencies {
 
     api platform('org.codehaus.groovy:groovy-bom:3.0.13')
-    api platform('org.spockframework:spock-bom:2.1-groovy-3.0')
+    api platform('org.spockframework:spock-bom:2.3-groovy-4.0')
 
     constraints {
         api 'com.google.auto.service:auto-service-annotations:1.0.1'