[Regression]: connectOverCDP concatenates json/version incorrectly

[mxschmitt]

Last Good Version

v1.52.0

First Bad Version

v1.53.0

Steps to reproduce

This commit will break if the url has custom sections:

Expected behavior

/a/json/version

Actual behavior

/ajson/version

Additional context

See https://github.com/microsoft/playwright/pull/36357 for details.

Environment

N/A