Give vcpkg github as a binary source

Author: xPaw

.github/workflows/steamkit2-build.yaml

@@ -103,6 +103,9 @@ jobs:
   nethook2:
     name: NetHook2 - ${{ matrix.platform }} - ${{ matrix.configuration }}
 
+    permissions:
+      contents: write
+
     strategy:
       matrix:
         configuration: [ Debug, Release ]
@@ -111,21 +114,25 @@ jobs:
 
     runs-on: windows-2022
 
+    # https://learn.microsoft.com/en-us/vcpkg/consume/binary-caching-github-actions-cache
+    env:
+      VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"
+
     steps:
     - uses: actions/checkout@v4
       with:
         submodules: recursive
 
+    - name: Add cache environment variables
+      uses: actions/github-script@v6
+      with:
+        script: |
+        core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
+        core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
+
     - name: Add MSBuild to PATH
       uses: microsoft/setup-msbuild@v2
 
-    - name: Cache vcpkg
-      id: cache-dependencies
-      uses: actions/cache@v4
-      with:
-        path: Resources/NetHook2/NetHook2/vcpkg_installed
-        key: vcpkg-${{ matrix.platform }}-${{ matrix.configuration }}-${{ hashFiles('Resources/NetHook2/NetHook2/vcpkg.json') }}
-
     - name: Configure Dependencies
       run: pwsh -File Resources/NetHook2/SetupDependencies.ps1