Merge pull request #823 from OpenVPN/renovate/vcpkg-digest

Update vcpkg digest to 7ff71c6

Author: uddr

.github/workflows/msbuild.yml

@@ -56,7 +56,7 @@ jobs:
       uses: lukka/run-vcpkg@b1a0dd252f06b9e25b3c022a9a03bd7a427fb6a2 # v11.6
       with:
         vcpkgDirectory: '${{ runner.workspace }}/b/vcpkg'
-        vcpkgGitCommitId: 40a9bd4ccdf5dc14ff76d4ed47d46a226ce84a83
+        vcpkgGitCommitId: 7ff71c68261ecf3b60cdb8772f2e6759ee0a71b1
 
     - name: Run CMake consuming CMakePreset.json and vcpkg.json by mean of vcpkg.
       uses: lukka/run-cmake@5d55ea7949e25f69f0ecb516d8d572297e03a956 # v10.9