Cache cmake dependencies for linux job (CI)

.github/workflows/ci.yml

@@ -297,6 +297,12 @@ jobs:
           sudo apt-get update
           sudo apt-get install ninja-build ${{matrix.packages}}
 
+      - name: Cache CMake dependency
+        uses: actions/cache@v4.1.2
+        with:
+          path: ${{github.workspace}}/build/_deps/
+          key: cmake-dependency-${{matrix.os}}-${{matrix.cxx}}-${{hashFiles('**/CMakeLists.txt', 'cmake/**')}}
+
       # - name: Install LLVM
       #   if: ${{matrix.install-llvm}}
       #   uses: KyleMayes/install-llvm-action@v2.0.3