docs(jvm): update javadoc for withCoroutineLoggingContext pair

Author: maniax89

src/jvmMain/kotlin/io/github/oshai/kotlinlogging/coroutines/KotlinLoggingAsyncMDC.kt

@@ -29,7 +29,7 @@ public suspend inline fun <T> withLoggingContextAsync(
 /**
  * Use a pair inheriting coroutine context but not current MDC Context. Example:
  * ```
- * withLoggingContextAsync("userId" to userId) {
+ * withCoroutineLoggingContext("userId" to userId) {
  *   doSomething()
  * }
  * ```

src/jvmTest/kotlin/io/github/oshai/kotlinlogging/coroutines/KotlinLoggingAsyncMDCTest.kt

@@ -243,7 +243,7 @@ class KotlinLoggingAsyncMDCTest {
         withCoroutineLoggingContext("foo" to "bar") {
           requestBDuringBlock.complete(MDC.getCopyOfContextMap())
         }
-        // Capture MDC state immediately after Request B's block, will NOT be empty due to the bug
+        // will also be empty
         requestBAfterBlock.complete(MDC.getCopyOfContextMap())
         requestBDone.complete(Unit)
       }