Upgrade windows docker container to 15GB memory

.gitlab-ci.yml

@@ -27,7 +27,7 @@ build windows:
     - Copy-Item 'C:/Windows/System32/ddraw.dll' 'windows/ddraw.dll'
     - Copy-Item 'C:/Windows/System32/nvcuda.dll' 'windows/nvcuda.dll'
   script:
-    - docker build --isolation process --memory 12G --pull -t "${CI_REGISTRY}/$(${CI_PROJECT_PATH}.toLower()):windows" windows
+    - docker build --isolation process --memory 15G --pull -t "${CI_REGISTRY}/$(${CI_PROJECT_PATH}.toLower()):windows" windows
     - docker push "${CI_REGISTRY}/$(${CI_PROJECT_PATH}.toLower()):windows"
   after_script:
     - docker logout "${CI_REGISTRY}"