api: Fix Detachedness typo

kUnkown -> kUnknown

Bug: chromium:1110816
Change-Id: I8138df76ade7f2a78632e329682cca83c64edac8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2407776
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69875}

include/v8-profiler.h

@@ -721,7 +721,7 @@ class V8_EXPORT EmbedderGraph {
      * graph.
      */
     enum class Detachedness : uint8_t {
-      kUnkown = 0,
+      kUnknown = 0,
       kAttached = 1,
       kDetached = 2,
     };
@@ -756,7 +756,7 @@ class V8_EXPORT EmbedderGraph {
      * along in the snapshot. Users of the snapshot may use it to annotate the
      * object graph.
      */
-    virtual Detachedness GetDetachedness() { return Detachedness::kUnkown; }
+    virtual Detachedness GetDetachedness() { return Detachedness::kUnknown; }
 
     Node(const Node&) = delete;
     Node& operator=(const Node&) = delete;

src/profiler/heap-snapshot-generator.cc

@@ -1964,7 +1964,7 @@ HeapEntry* NativeObjectsExplorer::EntryForEmbedderGraphNode(
   EmbedderGraphImpl::Node* wrapper = node->WrapperNode();
   NativeObject native_object = node->GetNativeObject();
   v8::EmbedderGraph::Node::Detachedness detachedness =
-      v8::EmbedderGraph::Node::Detachedness::kUnkown;
+      v8::EmbedderGraph::Node::Detachedness::kUnknown;
   if (wrapper) {
     detachedness = node->GetDetachedness();
     node = wrapper;