GraphQL schema update (#55772)

Co-authored-by: heiskr <[email protected]>

Author: docs-bot

src/graphql/data/fpt/changelog.json

@@ -1,4 +1,18 @@
 [
+  {
+    "schemaChanges": [
+      {
+        "title": "The GraphQL schema includes these changes:",
+        "changes": [
+          "<p>Field <code>duplicateOf</code> was added to object type <code>ClosedEvent</code></p>",
+          "<p>Field <code>duplicateOf</code> was added to object type <code>Issue</code></p>"
+        ]
+      }
+    ],
+    "previewChanges": [],
+    "upcomingChanges": [],
+    "date": "2025-05-22"
+  },
   {
     "schemaChanges": [
       {

src/graphql/data/fpt/schema.docs.graphql

@@ -4627,6 +4627,11 @@ type ClosedEvent implements Node & UniformResourceLocatable {
   """
   createdAt: DateTime!
 
+  """
+  The issue or pull request that this issue was marked as a duplicate of.
+  """
+  duplicateOf: IssueOrPullRequest
+
   """
   The Node ID of the ClosedEvent object
   """
@@ -18732,6 +18737,11 @@ type Issue implements Assignable & Closable & Comment & Deletable & Labelable &
   """
   databaseId: Int
 
+  """
+  A reference to the original issue that this issue has been marked as a duplicate of.
+  """
+  duplicateOf: Issue
+
   """
   The actor who edited the comment.
   """

src/graphql/data/fpt/schema.json

@@ -13800,6 +13800,14 @@
           "kind": "scalars",
           "href": "/graphql/reference/scalars#datetime"
         },
+        {
+          "name": "duplicateOf",
+          "description": "<p>The issue or pull request that this issue was marked as a duplicate of.</p>",
+          "type": "IssueOrPullRequest",
+          "id": "issueorpullrequest",
+          "kind": "unions",
+          "href": "/graphql/reference/unions#issueorpullrequest"
+        },
         {
           "name": "id",
           "description": "<p>The Node ID of the ClosedEvent object.</p>",
@@ -29173,6 +29181,14 @@
           "kind": "scalars",
           "href": "/graphql/reference/scalars#int"
         },
+        {
+          "name": "duplicateOf",
+          "description": "<p>A reference to the original issue that this issue has been marked as a duplicate of.</p>",
+          "type": "Issue",
+          "id": "issue",
+          "kind": "objects",
+          "href": "/graphql/reference/objects#issue"
+        },
         {
           "name": "editor",
           "description": "<p>The actor who edited the comment.</p>",

src/graphql/data/ghec/schema.docs.graphql

@@ -4627,6 +4627,11 @@ type ClosedEvent implements Node & UniformResourceLocatable {
   """
   createdAt: DateTime!
 
+  """
+  The issue or pull request that this issue was marked as a duplicate of.
+  """
+  duplicateOf: IssueOrPullRequest
+
   """
   The Node ID of the ClosedEvent object
   """
@@ -18732,6 +18737,11 @@ type Issue implements Assignable & Closable & Comment & Deletable & Labelable &
   """
   databaseId: Int
 
+  """
+  A reference to the original issue that this issue has been marked as a duplicate of.
+  """
+  duplicateOf: Issue
+
   """
   The actor who edited the comment.
   """

src/graphql/data/ghec/schema.json

@@ -13800,6 +13800,14 @@
           "kind": "scalars",
           "href": "/graphql/reference/scalars#datetime"
         },
+        {
+          "name": "duplicateOf",
+          "description": "<p>The issue or pull request that this issue was marked as a duplicate of.</p>",
+          "type": "IssueOrPullRequest",
+          "id": "issueorpullrequest",
+          "kind": "unions",
+          "href": "/graphql/reference/unions#issueorpullrequest"
+        },
         {
           "name": "id",
           "description": "<p>The Node ID of the ClosedEvent object.</p>",
@@ -29173,6 +29181,14 @@
           "kind": "scalars",
           "href": "/graphql/reference/scalars#int"
         },
+        {
+          "name": "duplicateOf",
+          "description": "<p>A reference to the original issue that this issue has been marked as a duplicate of.</p>",
+          "type": "Issue",
+          "id": "issue",
+          "kind": "objects",
+          "href": "/graphql/reference/objects#issue"
+        },
         {
           "name": "editor",
           "description": "<p>The actor who edited the comment.</p>",