Build: Introduce limitTestTasksConcurrency build property

Is true by default. It can be used to disable the concurrency limit for
test tasks

repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/BuildPropertiesExt.kt

@@ -62,3 +62,6 @@ val KotlinBuildProperties.useFirTightIC: Boolean
 
 val KotlinBuildProperties.isSwiftExportPluginPublishingEnabled: Boolean
     get() = getBoolean("kotlin.native.swift-export.enabled", false)
+
+val KotlinBuildProperties.limitTestTasksConcurrency: Boolean
+    get() = getBoolean("kotlin.build.limitTestTasksConcurrency", true)

repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/common-configuration.gradle.kts

@@ -286,7 +286,9 @@ fun Project.configureTests() {
 
     tasks.withType<Test>().configureEach {
         outputs.doNotCacheIf("https://youtrack.jetbrains.com/issue/KTI-112") { true }
-        usesService(concurrencyLimitService)
+        if (project.kotlinBuildProperties.limitTestTasksConcurrency) {
+            usesService(concurrencyLimitService)
+        }
     }
 
     // Aggregate task for build related checks