bug#53197: wpewebkit: Fails to build (a required package was not found)

[kiasoc5]

```
-- Found ICU: /gnu/store/7sik9fp2ffvnr7l01s423x4r5pn75rf9-icu4c-69.1/include 
(found suitable version "69.1", minimum required is "60.2") 
-- Found JPEG: 
/gnu/store/vhxayydx3y9n2gi2sc0dam26p7k1aaj8-libjpeg-turbo-2.0.5/lib/libjpeg.so 
(found version "62")
-- Found LibEpoxy: 
/gnu/store/amq5psiagcz04lz4kil3yl553a9cj26b-libepoxy-1.5.5/include (found 
suitable version "1.5.5", minimum required is "1.4.0")
-- Found LibGcrypt: 
/gnu/store/5z3gh8yq8a8dzlhm7llx50cjf1vj1r2w-libgcrypt-1.8.8/lib/libgcrypt.so 
(found suitable version "1.8.8", minimum required is "1.6.0")
CMake Error at 
/gnu/store/aain9m7r37jlzd21kvgvrkhc2pm7mk1w-cmake-minimal-3.21.3/share/cmake-3.21/Modules/FindPkgConfig.cmake:562
 (message):
  A required package was not found
Call Stack (most recent call first):
  
/gnu/store/aain9m7r37jlzd21kvgvrkhc2pm7mk1w-cmake-minimal-3.21.3/share/cmake-3.21/Modules/FindPkgConfig.cmake:784
 (_pkg_check_modules_internal)
  Source/cmake/FindLibSoup.cmake:35 (pkg_check_modules)
  Source/cmake/WebKitFindPackage.cmake:104 (_find_package)
  Source/cmake/OptionsWPE.cmake:29 (find_package)
  Source/cmake/WebKitCommon.cmake:58 (include)
  CMakeLists.txt:173 (include)


-- Configuring incomplete, errors occurred!
```