[platform] docs: change links to the article about coroutines to point to a publicly available article

GitOrigin-RevId: 83a82675c8b7addf7db93c084145cee76920efc2

platform/core-api/src/org/jetbrains/concurrency/CancellablePromise.java

@@ -10,7 +10,7 @@ import java.util.function.Consumer;
 /**
  * <h3>Obsolescence notice</h3>
  * <p>
- * Please use <a href="https://youtrack.jetbrains.com/articles/IJPL-A-3/Kotlin-Coroutines">Kotlin coroutines</a> instead
+ * Please use <a href="https://plugins.jetbrains.com/docs/intellij/kotlin-coroutines.html">Kotlin coroutines</a> instead
  * </p>
  */
 @ApiStatus.Obsolete

platform/core-api/src/org/jetbrains/concurrency/Promise.java

@@ -14,7 +14,7 @@ import java.util.function.Consumer;
 /**
  * <h3>Obsolescence notice</h3>
  * <p>
- * Please use <a href="https://youtrack.jetbrains.com/articles/IJPL-A-3/Kotlin-Coroutines">Kotlin coroutines</a> instead
+ * Please use <a href="https://plugins.jetbrains.com/docs/intellij/kotlin-coroutines.html">Kotlin coroutines</a> instead
  * </p>
  * <hr>
  *

platform/util/concurrency/src/org/jetbrains/concurrency/AsyncPromise.kt

@@ -23,7 +23,7 @@ import kotlin.coroutines.resumeWithException
 /**
  * **Obsolescence notice**
  *
- * Please use [Kotlin coroutines](https://youtrack.jetbrains.com/articles/IJPL-A-3/Kotlin-Coroutines)
+ * Please use [Kotlin coroutines](https://plugins.jetbrains.com/docs/intellij/kotlin-coroutines.html)
  * Instead of this class use [kotlinx.coroutines.CompletableDeferred]
  */
 @ApiStatus.Obsolete

platform/util/concurrency/src/org/jetbrains/concurrency/AsyncValueLoader.java

@@ -15,7 +15,7 @@ import java.util.function.Consumer;
 /**
  * <h3>Obsolescence notice</h3>
  * <p>
- * Please use <a href="https://youtrack.jetbrains.com/articles/IJPL-A-3/Kotlin-Coroutines">Kotlin coroutines</a>.
+ * Please use <a href="https://plugins.jetbrains.com/docs/intellij/kotlin-coroutines.html">Kotlin coroutines</a>.
  */
 @ApiStatus.Obsolete
 public abstract class AsyncValueLoader<T> {

platform/util/concurrency/src/org/jetbrains/concurrency/package-info.java

@@ -2,7 +2,7 @@
 /**
  * <h3>Obsolescence notice</h3>
  * <p>
- * Please use <a href="https://youtrack.jetbrains.com/articles/IJPL-A-3/Kotlin-Coroutines">Kotlin coroutines</a> instead
+ * Please use <a href="https://plugins.jetbrains.com/docs/intellij/kotlin-coroutines.html">Kotlin coroutines</a> instead
  */
 @ApiStatus.Obsolete
 package org.jetbrains.concurrency;