Move Spock 2.4 usage only to problematic project that freezes on CI.

Author: AlexeyKuznetsov-DD

dd-java-agent/instrumentation/java-concurrent/java-concurrent-21/build.gradle

@@ -46,7 +46,11 @@ tasks.named("check").configure {
 
 dependencies {
   testImplementation project(':dd-java-agent:instrumentation:trace-annotation')
-  testImplementation libs.bundles.spock24
+
+  // Using Spock 2.4-M6 because it contains fix for deadlock when blocking in mock response generators.
+  // See: https://github.com/spockframework/spock/pull/1910
+  testImplementation libs.spock24.core
+  testImplementation libs.spock24.junit4
 }
 
 // Set all compile tasks to use JDK21 but let instrumentation code targets 1.8 compatibility

gradle/libs.versions.toml

@@ -69,7 +69,6 @@ objenesis = { module = "org.objenesis:objenesis", version = "3.3" } # Used by Sp
 spock24-core = { module = "org.spockframework:spock-core", version.ref = "spock24" }
 spock24-junit4 = { module = "org.spockframework:spock-junit4", version.ref = "spock24" }
 spock24-spring = { module = "org.spockframework:spock-spring", version.ref = "spock24" }
-objenesis34 = { module = "org.objenesis:objenesis", version = "3.4" }
 
 groovy = { module = "org.codehaus.groovy:groovy-all", version.ref = "groovy" }
 groovy-yaml = { module = "org.codehaus.groovy:groovy-yaml", version.ref = "groovy" }
@@ -108,7 +107,6 @@ asm = ["asm", "asmcommons"]
 cafe-crypto = ["cafe-crypto-curve25519", "cafe-crypto-ed25519"]
 # Testing
 spock = ["spock-core", "spock-junit4", "objenesis"]
-spock24 = ["spock24-core", "spock24-junit4", "objenesis34"]
 spock24-spring = ["spock24-core", "spock24-junit4", "spock24-spring"]
 junit5 = ["junit-jupiter", "junit-jupiter-params"]
 mockito = ["mokito-core", "mokito-junit-jupiter", "byte-buddy", "byte-buddy-agent"]