github-actions/win32: make run-vcpkg happy maybe, pt 2

Author: alberthdev

.github/workflows/build.msvc.windows.workflow.yml

@@ -126,12 +126,12 @@ jobs:
     # Then install libarchive + libpng-apng for all targets.
     - name: Restore from cache and install vcpkg + libraries (libarchive, libpng-apng)
       # Download and build vcpkg, without installing any port. If content is cached already, it is a no-op.
-      uses: lukka/run-vcpkg@v4
+      uses: lukka/run-vcpkg@v6
       with:
         vcpkgArguments: '@${{ env.VCPKGRESPONSEFILE }}'
         # libpng-apng portfile fixed (microsoft/vcpkg#13837) as of 2020.10.13
-        # This commit ID corresponds to 2021.05.12
-        vcpkgGitCommitId: 5568f110b509a9fd90711978a7cb76bae75bb092
+        # This commit ID dates 6/4/2021 (not tied to a tag)
+        vcpkgGitCommitId: 834a87732ce7677ae480febc1cb18c9c80371fbf
         appendedCacheKey: ${{ hashFiles(env.VCPKGRESPONSEFILE) }}-${{ runner.os }}-${{ matrix.arch_suffix }}-${{ matrix.linking }}
         setupOnly: true