[qt5-webengine] build failure after upgrading to ninja 1.12

[rremilian]

Operating system

Linux

Compiler

GCC

Steps to reproduce the behavior

./vcpkg install --triplet=x64-linux-dynamic qt5-webengine

Failure logs

In file included from ../../../../src/5.15.16-af4f9b3d26.clean/src/3rdparty/chromium/content/browser/appcache/appcache_internals_ui.cc:25:
../../../../src/5.15.16-af4f9b3d26.clean/src/3rdparty/chromium/content/public/browser/browser_context.h:21:10: fatal error: components/spellcheck/spellcheck_buildflags.h: No such file or directory
   21 | #include "components/spellcheck/spellcheck_buildflags.h"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.

Additional context

I think it is related to this issue: ninja-build/ninja#2417.