🤖 Pick PR #40005 (feat(40004): Missing Compiler API p...) into release-4.0 (#40015)

* Cherry-pick PR #40005 into release-4.0

Component commits:
fa1ed85593 feat(40004): make isNamedTupleMember public

* Update LKG

Co-authored-by: Alexander T <alexander.tarasyuk@outlook.com>
Co-authored-by: typescript-bot <typescript@microsoft.com>

src/compiler/factory/nodeTests.ts

@@ -177,6 +177,10 @@ namespace ts {
         return node.kind === SyntaxKind.TupleType;
     }
 
+    export function isNamedTupleMember(node: Node): node is NamedTupleMember {
+        return node.kind === SyntaxKind.NamedTupleMember;
+    }
+
     export function isOptionalTypeNode(node: Node): node is OptionalTypeNode {
         return node.kind === SyntaxKind.OptionalType;
     }