👷 Update react monorepo to v19 (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@types/react (source)	18.3.18 -> 19.0.3
@types/react-dom (source)	18.3.5 -> 19.0.2
react (source)	18 -> 18 || 19
react (source)	18.3.1 -> 19.0.0
react-dom (source)	18.3.1 -> 19.0.0

---

Release Notes

facebook/react (react)

v19.0.0

Compare Source

facebook/react (react-dom)

v19.0.0

Compare Source

---

Configuration

📅 Schedule: Branch creation - "every weekend" (UTC), 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.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

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

---

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

[cit-pr-commenter]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	161.72 KiB	161.72 KiB	0 B	0.00%	✅
Logs	56.17 KiB	56.17 KiB	0 B	0.00%	✅
Rum Slim	111.77 KiB	111.77 KiB	0 B	0.00%	✅
Worker	24.54 KiB	24.54 KiB	0 B	0.00%	✅

🚀 CPU Performance

Action Name	Base Average Cpu Time (ms)	Local Average Cpu Time (ms)	𝚫
addglobalcontext	0.002	0.002	-0.001
addaction	0.043	0.038	-0.005
addtiming	0.001	0.001	-0.000
adderror	0.052	0.040	-0.012
startstopsessionreplayrecording	1.602	1.256	-0.346
startview	0.493	0.375	-0.118
logmessage	0.038	0.023	-0.016

🧠 Memory Performance

Action Name	Base Consumption Memory (bytes)	Local Consumption Memory (bytes)	𝚫 (bytes)
addglobalcontext	10.89 KiB	8.09 KiB	-2862 B
addaction	42.11 KiB	39.11 KiB	-3071 B
addtiming	7.02 KiB	7.19 KiB	173 B
adderror	45.65 KiB	45.00 KiB	-661 B
startstopsessionreplayrecording	5.89 KiB	5.36 KiB	-543 B
startview	421.68 KiB	423.99 KiB	2.31 KiB
logmessage	41.51 KiB	41.07 KiB	-447 B

🔗 RealWorld

[renovate]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠️ Warning: custom changes will be lost.

[amortemousque]

❓ question: ‏Can you explain why 18 || 19? My guess is not break customer integrations using v18? Does it means we have to do it for every new major version of React?