Update kotlinx-coroutines API Reference task for DGPv2

Author: whyoleg

.teamcity/builds/apiReferences/kotlinx/coroutines/KotlinxCoroutinesBuildApiReference.kt

@@ -4,10 +4,15 @@ import BuildParams.KOTLINX_COROUTINES_ID
 import BuildParams.KOTLINX_COROUTINES_RELEASE_LABEL
 import builds.apiReferences.BuildApiPages
 import builds.apiReferences.dependsOnDokkaTemplate
+import builds.apiReferences.scriptBuildHtml
 import builds.apiReferences.vcsRoots.KotlinxCoroutines
 
 object KotlinxCoroutinesBuildApiReference : BuildApiPages(
-    apiId = KOTLINX_COROUTINES_ID, releaseTag = KOTLINX_COROUTINES_RELEASE_LABEL, init = {
+    apiId = KOTLINX_COROUTINES_ID,
+    releaseTag = KOTLINX_COROUTINES_RELEASE_LABEL,
+    pagesRoot = "build/dokka/html",
+    stepBuildHtml = { scriptBuildHtml { tasks = ":dokkaGenerate" } },
+    init = {
         vcs {
             root(KotlinxCoroutines)
         }