Update vcpkg digest to 0878b52

Author: openvpn-inc-ci

.github/workflows/build.yaml

@@ -43,7 +43,7 @@ jobs:
       VCPKG_ROOT: ${{ github.workspace }}/vcpkg
       VCPKG_INSTALLED_DIR: ${{ github.workspace }}/vcpkg/installed
       VCPKG_BINARY_SOURCES: clear;default,readwrite
-      VCPKG_GIT_COMMIT_ID: 75672db6bd812b060482b0f00b5a16b18a0c0f07
+      VCPKG_GIT_COMMIT_ID: 0878b5224d4a4968940ee296a2e7fae2d3b62983
     steps:
       - name: Checkout OpenVPN
         uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
@@ -84,7 +84,7 @@ jobs:
     env:
       VCPKG_ROOT: ${{ github.workspace }}/vcpkg
       VCPKG_BINARY_SOURCES: clear;default,readwrite
-      VCPKG_GIT_COMMIT_ID: 75672db6bd812b060482b0f00b5a16b18a0c0f07
+      VCPKG_GIT_COMMIT_ID: 0878b5224d4a4968940ee296a2e7fae2d3b62983
     steps:
       - name: Install dependencies
         run: sudo apt update && sudo apt install -y mingw-w64 unzip build-essential wget python3-docutils man2html-base
@@ -283,7 +283,7 @@ jobs:
       env:
         BUILD_CONFIGURATION: Release
         VCPKG_BINARY_SOURCES: clear;default,readwrite
-        VCPKG_GIT_COMMIT_ID: 75672db6bd812b060482b0f00b5a16b18a0c0f07
+        VCPKG_GIT_COMMIT_ID: 0878b5224d4a4968940ee296a2e7fae2d3b62983
 
       runs-on: windows-2025-vs2026
       steps: