ci: Upload windows installer also in PR builds

appveyor.yml

@@ -101,7 +101,8 @@ after_build:
     - set PATH=%BUILD%\tools\bin;%PATH%
     - binarycreator.exe -f -c installer\config\config.xml -p installer\packages nheko-installer.exe
 
-    - mv nheko-installer.exe nheko-%APPVEYOR_REPO_TAG_NAME%-installer.exe
+    - copy nheko-installer.exe nheko-%APPVEYOR_REPO_TAG_NAME%-installer.exe
+    - copy nheko-installer.exe nheko-%APPVEYOR_PULL_REQUEST_HEAD_COMMIT%-installer.exe
     - ps: .\.ci\upload-nightly.ps1
 
 on_success:
@@ -121,3 +122,4 @@ deploy:
 artifacts:
     - path: nheko_win_64.zip
     - path: nheko-$(APPVEYOR_REPO_TAG_NAME)-installer.exe
+    - path: nheko-$(APPVEYOR_PULL_REQUEST_HEAD_COMMIT)-installer.exe