refactor(starter): upgrade to new version of gatsby

src/components/Post/Content/Content.test.tsx

@@ -0,0 +1,12 @@
+import React from "react";
+import renderer from "react-test-renderer";
+
+import { Content } from "@/components/Post/Content";
+
+describe("Content", () => {
+  it("renders correctly", () => {
+    const props = { title: "test", body: "<p>test</p>" };
+    const tree = renderer.create(<Content {...props} />).toJSON();
+    expect(tree).toMatchSnapshot();
+  });
+});