chore(deps): update dependency react to v19

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
react (source)	18.3.1 -> 19.0.0

---

Release Notes

facebook/react (react)

v19.0.0

Compare Source

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[reviewflow]

Progress

☑️ Step 1: ✏️ Write code
🔴 Step 2: 💚 Checks
⬜ Step 3: 👌 Code Review
🟡 Step 4: 🚦 Merge Pull Request

Options:

• 🚦 automerge: Automatically merge when this PR is ready and has no failed statuses. When the repository requires branches to be up to date before merging, it merges default branch, with a queue per repo to prevent multiple merges when several PRs are ready. A fail job prevents the merge.
• 🚦 skip-ci: Add [skip ci] on merge commit when merge is done with autoMerge.

Actions:

• 🐛 Force updating reviewflow checks for this PR. Use this to try to fix reviewflow checks that are still missing/pending, which might happen if webhook failed or something bad happened when reviewflow tried to send the status check to github.
• 🔄 update branch: Merge base branch in this PR's branch. Only works if merging is possible without conflicts.