build: configure path refactoring broke ICU download on windows

[srl295]

Version

main

Platform

No response

Subsystem

build

What steps will reproduce the bug?

on windows git bash:

./configure --with-intl=full-icu --with-icu-source=https://github.com/unicode-org/icu/releases/download/release-76-rc/icu4c-76_1-src.tgz

How often does it reproduce? Is there a required condition?

always

What is the expected behavior? Why is that the expected behavior?

successful configure

What do you see instead?

Traceback (most recent call last):
  File "C:\Users\srl29\src\node\configure", line 28, in <module>
    import configure
  File "C:\Users\srl29\src\node\configure.py", line 2204, in <module>
    configure_intl(output)
  File "C:\Users\srl29\src\node\configure.py", line 1939, in configure_intl
    elif with_icu_source and Path(icu_full_path).resolve() == Path(with_icu_source).resolve():
  File "C:\Users\srl29\.pyenv\pyenv-win\versions\3.9.13\lib\pathlib.py", line 1215, in resolve
    s = self._flavour.resolve(self, strict=strict)
  File "C:\Users\srl29\.pyenv\pyenv-win\versions\3.9.13\lib\pathlib.py", line 215, in resolve
    s = self._ext_to_normal(_getfinalpathname(s))
OSError: [WinError 123] El nombre de archivo, el nombre de directorio o la sintaxis de la etiqueta del volumen no son correctos: 'https:\\github.com\\unicode-org\\icu\\releases\\download\\release-76-rc\\icu4c-76_1-src.tgz'

Additional information

broke in #47581