Update kotlinx:dataframe version to 0.8.1

libraries/tools/gradle/regression-benchmark-templates/build.gradle.kts

@@ -7,5 +7,5 @@ dependencies {
     implementation("com.squareup.okhttp3:okhttp:4.9.0")
     implementation("org.eclipse.jgit:org.eclipse.jgit:5.13.0.202109080827-r")
     implementation("org.slf4j:slf4j-nop:1.7.32")
-    implementation("org.jetbrains.kotlinx:dataframe:0.8.0-rc-8")
+    implementation("org.jetbrains.kotlinx:dataframe:0.8.1")
 }

libraries/tools/gradle/regression-benchmark-templates/src/main/kotlin/org/jetbrains/kotlin/gradle/benchmark/BenchmarkTemplate.kt

@@ -215,7 +215,7 @@ abstract class BenchmarkTemplate(
             }
             .concat()
             .groupBy("scenario").aggregate { // Merging scenarios from different benchmarks into one row
-                forEachRow { row ->
+                forEach { row ->
                     row["tasks start median time"] into "Configuration: ${row["benchmark"]}"
                     row["execution median time"] into "Execution: ${row["benchmark"]}"
                 }