message: ci: Bump vcpkg release tag
  In the new release the "Binary Caching" and "Manifest Mode" features are
  available by default.
diff: @@ -85,8 +85,7 @@ task:
  env:
  PATH: 'C:\jom;C:\Python39;C:\Python39\Scripts;C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin;%PATH%'
  PYTHONUTF8: 1
  - VCPKG_TAG: '75522bb1f2e7d863078bcd06322348f053a9e33f'
  - VCPKG_FEATURE_FLAGS: 'manifests'
  + VCPKG_TAG: '2021.05.12'
  QT_DOWNLOAD_URL: 'https://download.qt.io/official_releases/qt/5.12/5.12.11/single/qt-everywhere-src-5.12.11.zip'
  QT_LOCAL_PATH: 'C:\qt-everywhere-src-5.12.11.zip'
  QT_SOURCE_DIR: 'C:\qt-everywhere-src-5.12.11'
  