Support omitting version of org.jetbrains.kotlin dependencies

Related to #KT-12792

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/KotlinGradlePluginIT.kt

@@ -464,4 +464,18 @@ class KotlinGradleIT: BaseGradleIT() {
             assertSuccessful()
         }
     }
+
+    @Test
+    fun testOmittedStdlibVersion() {
+        val project = Project("kotlinProject", "2.3")
+        project.setupWorkingDir()
+        File(project.projectDir, "build.gradle").modify {
+            it.replace("kotlin-stdlib:\$kotlin_version", "kotlin-stdlib").apply { check(!equals(it)) }
+        }
+
+        project.build("build") {
+            assertSuccessful()
+            assertContains(":compileKotlin", ":compileTestKotlin")
+        }
+    }
 }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPlugin.kt

@@ -274,6 +274,7 @@ internal abstract class AbstractKotlinPlugin(
         project.plugins.apply(JavaPlugin::class.java)
 
         configureSourceSetDefaults(project, javaBasePlugin, javaPluginConvention)
+        configureDefaultVersionsResolutionStrategy(project)
     }
 
     open protected fun configureSourceSetDefaults(
@@ -285,6 +286,17 @@ internal abstract class AbstractKotlinPlugin(
             buildSourceSetProcessor(project, javaBasePlugin, sourceSet, kotlinPluginVersion).run()
         }
     }
+
+    private fun configureDefaultVersionsResolutionStrategy(project: Project) {
+        project.configurations.all { configuration ->
+            configuration.resolutionStrategy.eachDependency { details ->
+                val requested = details.requested
+                if (requested.group == "org.jetbrains.kotlin" && requested.version.isEmpty()) {
+                    details.useVersion(kotlinPluginVersion)
+                }
+            }
+        }
+    }
 }
 
 internal open class KotlinPlugin(