Send FeatureGrid Learn more to the Learn page instead of a dead hash link.

tests/components/FeatureGrid.test.tsx

@@ -57,6 +57,14 @@ describe("FeatureGrid (behavioral tests)", () => {
     ).not.toBeInTheDocument();
   });
 
+  it("sends Learn more to the Learn page", () => {
+    render(<FeatureGrid title="Test" subtitle="Test" />);
+    expect(screen.getByRole("link", { name: "Learn more" })).toHaveAttribute(
+      "href",
+      "/learn",
+    );
+  });
+
   it("does not apply a focus ring to the entire grid shell", () => {
     render(<FeatureGrid title="Test" subtitle="Test" />);
     const shell = document.querySelector('[data-figma-node="18847-22410"]');