refactor(starter): upgrade to new version of gatsby

internal/testing/swc-config.ts

@@ -0,0 +1,19 @@
+const config = {
+  sourceMaps: true,
+  module: {
+    type: "commonjs",
+  },
+  jsc: {
+    parser: {
+      syntax: "typescript",
+      tsx: true,
+    },
+    transform: {
+      react: {
+        runtime: "automatic",
+      },
+    },
+  },
+};
+
+export default config;