ci: build dependencies in different step than configuring cmake (#2574)

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(cherry picked from commit a66747a0d0)

.github/workflows/build.yml

@@ -247,6 +247,7 @@ jobs:
       - name: ⬇️ Install dependencies
         run: |
           cp dist/vcpkg.json vcpkg.json
+          vcpkg install
 
       - name: ⬇️ Install CMake and Ninja
         uses: lukka/get-cmake@latest