test(node): Avoid using specific port for node-integration-tests

[mydea]

This may flake, so just using any available port instead.

Closes #17716

[chargome]

Nice!

[Lms24]

thx for fixing!

[github-actions]

node-overhead report 🧳

Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.

Scenario	Requests/s	% of Baseline	Prev. Requests/s	Change %
GET Baseline	8,990	-	9,098	-1%
GET With Sentry	1,431	16%	1,377	+4%
GET With Sentry (error only)	6,192	69%	5,959	+4%
POST Baseline	1,231	-	1,184	+4%
POST With Sentry	560	45%	499	+12%
POST With Sentry (error only)	1,078	88%	1,030	+5%
MYSQL Baseline	3,362	-	3,317	+1%
MYSQL With Sentry	451	13%	408	+11%
MYSQL With Sentry (error only)	2,732	81%	2,665	+3%

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