fix: allow code generation from typescript generic graphql tag

Allow to use generic graph tag like: graphql<TResponse>`{ myQuery }`

Author: hugo082

packages/apollo-language-server/src/document.ts

@@ -89,7 +89,7 @@ function extractGraphQLDocumentsFromJSTemplateLiterals(
 
   const documents: GraphQLDocument[] = [];
 
-  const regExp = new RegExp(`${tagName}\\s*\`([\\s\\S]+?)\``, "gm");
+  const regExp = new RegExp(`${tagName}\\s*(?:<([\\sa-zA-Z0-9_,<>]+)>)?\\s*\`([\\s\\S]+?)\``, "gm");
 
   let result;
   while ((result = regExp.exec(text)) !== null) {