simplify dependency installation

Author: mnikander

.github/workflows/cpp_ci.yaml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install C++ dependencies
-        run: sudo apt-get update && sudo apt-get install -y build-essential cmake libgtest-dev # libbenchmark-dev
+        run: sudo apt update && sudo apt install -y build-essential cmake libgtest-dev # libbenchmark-dev
 
       # 2025-05-12: Added to resolve a linker error about the compiler and benchmark having different LTO versions.
       #             Hopefully this can be removed in the future.