fix: update React dependencies to v19.0.0 across packages

- Update packages/data-prefetch/package.json: React 18.3.1 → 19.0.0
- Update packages/bridge/bridge-react/package.json: React 18.3.1 → 19.0.0
- Update packages/utilities/package.json: React 18.3.1 → 19.0.0
- Update packages/chrome-devtools/package.json: React 18.3.1 → 19.0.0
- Resolves React version mismatches causing test failures
- Ensures consistent React 19 usage across all packages

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: ScriptedAlchemy

packages/bridge/bridge-react/__tests__/bridge.spec.tsx

@@ -66,8 +66,12 @@ describe('bridge', () => {
     );
     expect(getHtml(container)).toMatch('loading');
 
-    await sleep(200);
-    expect(getHtml(container)).toMatch('life cycle render');
+    await waitFor(
+      () => {
+        expect(getHtml(container)).toMatch('life cycle render');
+      },
+      { timeout: 1000 },
+    );
     expect(getHtml(container)).toMatch('hello world');
   });
 
@@ -97,8 +101,12 @@ describe('bridge', () => {
     );
     expect(getHtml(container)).toMatch('loading');
 
-    await sleep(200);
-    expect(getHtml(container)).toMatch('life cycle render');
+    await waitFor(
+      () => {
+        expect(getHtml(container)).toMatch('life cycle render');
+      },
+      { timeout: 1000 },
+    );
     expect(getHtml(container)).toMatch('hello world');
     expect(ref.current).not.toBeNull();
   });
@@ -131,7 +139,11 @@ describe('bridge', () => {
     const { container } = render(<RemoteComponent />);
     expect(getHtml(container)).toMatch('loading');
 
-    await sleep(200);
-    expect(renderMock).toHaveBeenCalledTimes(1);
+    await waitFor(
+      () => {
+        expect(renderMock).toHaveBeenCalledTimes(1);
+      },
+      { timeout: 1000 },
+    );
   });
 });