Bump org.spockframework:spock-bom from 2.3-groovy-3.0 to 2.3-groovy-4.0

Bumps org.spockframework:spock-bom from 2.3-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>

Author: dependabot[bot]

build.gradle

@@ -92,12 +92,12 @@ testInt.dependsOn ':processor-one:build'
 testInt.dependsOn ':processor-two:build'
 
 dependencies {
-    testImplementation platform ("org.spockframework:spock-bom:2.3-groovy-3.0")
+    testImplementation platform ("org.spockframework:spock-bom:2.3-groovy-4.0")
     testImplementation 'org.spockframework:spock-core'
     testImplementation 'net.bytebuddy:byte-buddy:1.14.5'
     testImplementation gradleTestKit()
 
-    testIntImplementation platform ("org.spockframework:spock-bom:2.3-groovy-3.0")
+    testIntImplementation platform ("org.spockframework:spock-bom:2.3-groovy-4.0")
     testIntImplementation 'org.spockframework:spock-core'
     testIntImplementation 'net.bytebuddy:byte-buddy:1.14.5'
     testIntImplementation gradleTestKit()