Update vcpkg digest to 86a1815

Author: openvpn-inc-ci

.github/workflows/build.yaml

@@ -54,7 +54,7 @@ jobs:
       - name: Restore from cache and install vcpkg
         uses: lukka/run-vcpkg@v11
         with:
-          vcpkgGitCommitId: 8d3649ba34aab36914ddd897958599aa0a91b08e
+          vcpkgGitCommitId: 86a181505ac6460f98496a79abdee6a0f49905ec
           vcpkgJsonGlob: '**/mingw/vcpkg.json'
 
       - name: Run CMake with vcpkg.json manifest
@@ -268,7 +268,7 @@ jobs:
       - name: Restore artifacts, or setup vcpkg (do not install any package)
         uses: lukka/run-vcpkg@v11
         with:
-          vcpkgGitCommitId: 8d3649ba34aab36914ddd897958599aa0a91b08e
+          vcpkgGitCommitId: 86a181505ac6460f98496a79abdee6a0f49905ec
           vcpkgJsonGlob: '**/windows/vcpkg.json'
 
       - name: Run CMake with vcpkg.json manifest (NO TESTS)