Windows: Enable MSI signing via Signpath CI integration (OpenSC#2799)

* win: set up release signing with signpath.io

* AppVeyor: fixed file path for debug symbols

* switch to release signing

fixes OpenSC#2396

.appveyor.yml

@@ -107,18 +107,22 @@ build_script:
  # put all pdb files for dump analysis, but this consumes approx 100 MB per build
  - md %ARTIFACT%-Debug
  - ps: >-
- Get-ChildItem -recurse C:\projects\OpenSC -exclude vc*.pdb *.pdb | % {
+ Get-ChildItem -recurse ${env:APPVEYOR_BUILD_FOLDER} -exclude vc*.pdb *.pdb | % {
  7z a -tzip ${env:ARTIFACT}-Debug.zip $_.FullName
  }
  - appveyor PushArtifact %ARTIFACT%.msi
  - appveyor PushArtifact %ARTIFACT%-Debug.zip
-
-deploy_script:
  # keep in sync with .travis.yml
  - bash -c "git config --global user.email '[email protected]'"
  - bash -c "git config --global user.name 'AppVeyor'"
  - bash -c "if [ \"$DO_PUSH_ARTIFACT\" = yes -a -z \"$APPVEYOR_PULL_REQUEST_NUMBER\" -a \"$APPVEYOR_REPO_NAME\" = \"OpenSC/OpenSC\" ]; then .github/push_artifacts.sh \"AppVeyor build ${APPVEYOR_BUILD_NUMBER}.${APPVEYOR_JOB_NUMBER}\"; fi"
 
+deploy:
+- provider: Webhook
+ url: https://app.signpath.io/API/v1/8d2463fe-39bd-4a41-bb72-f008b4b1fe17/Integrations/AppVeyor?ProjectSlug=OpenSC&SigningPolicySlug=release-signing&ArtifactConfigurationSlug=initial
+ authorization:
+ secure: 73Qvk9MbD7M7ZcoO6NnSH7zDA+9wSKZqNc602b1UeA5v6GsDyEvpCOlzJ9VvBcUuePTKBRsZ+uGQYKsddABgQA==
+
 cache:
  - C:\zlib -> .appveyor.yml
  - C:\zlib-Win32 -> .appveyor.yml