feat: update to latest Copilot LSP

Author: github-actions[bot]

copilot/js/api/types.d.ts

@@ -86,16 +86,24 @@ export type ContextUsageStatistics = {
     usageDetails?: ContextItemUsageDetails[];
 };
 
+export type ProposedTextEdit = TextEdit & {
+    positionAfterEdit: Position;
+    // Indicates whether the edit is suggested by the IDE. Otherwise it's assumed to be speculative
+    source?: 'selectedCompletionInfo';
+};
+
 export interface DocumentContext {
     uri: DocumentUri;
     languageId: string;
     version: number;
+    // Position and offset are relative to the provided version of the document.
+    // The position after an edit is applied is found in ProposedTextEdit.positionAfterEdit.
     /**
      * @deprecated Use `position` instead.
      */
     offset: number;
     position: Position;
-    proposedEdits?: TextEdit[];
+    proposedEdits?: ProposedTextEdit[];
 }
 export interface ResolveRequest {
     // A unique ID to correlate the request with the completion request.

copilot/js/main.js

@@ -13,7 +13,7 @@ function M.get_editor_info()
     editorPluginInfo = {
       name = "copilot.lua",
       -- reflects version of github/copilot-language-server-release
-      version = "1.314.0",
+      version = "1.320.0",
     },
   }
   return info