[v8] Fix link error

[LilyWangLL]

Fixes #21735, fix link error: Target "test" links to target "PkgConfig::GLIB2" but the target was not found.

[BillyONeal]

2 things:

1. How do we know that the resulting build is correct without this; perhaps it actually needs glib?
2. The failing target is a test target, can we somehow remove that completely instead of this change?

[LilyWangLL]

2 things:

1. How do we know that the resulting build is correct without this; perhaps it actually needs glib?
2. The failing target is a test target, can we somehow remove that completely instead of this change?

There are codes in vcpkg.json, v8 only depends on glib on Linux, glib will not install on windows.

  "dependencies": [
    {
      "name": "glib",
      "platform": "linux"
    },

And target test is from user's test code, see comment #21735 (comment).

[JackBoosY]

@BillyONeal The user confirm this works.

[BillyONeal]

And target test is from user's test code, see comment #21735 (comment).

Oh, I see, that makes sense.

[BillyONeal]

OK, thanks for the fix!