Use most recent intel-classic compilers in CI.

.github/workflows/ubuntu_intel.yaml

@@ -50,7 +50,7 @@ jobs:
           sudo apt-key add GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB
           echo "deb https://apt.repos.intel.com/oneapi all main" | sudo tee /etc/apt/sources.list.d/oneAPI.list
           sudo apt-get update
-          sudo apt-get install intel-oneapi-dev-utilities intel-oneapi-mpi-devel intel-oneapi-openmp intel-oneapi-compiler-fortran intel-oneapi-compiler-dpcpp-cpp-and-cpp-classic
+          sudo apt-get install intel-oneapi-dev-utilities intel-oneapi-mpi-devel intel-oneapi-openmp intel-oneapi-compiler-fortran-2023.2.1 intel-oneapi-compiler-dpcpp-cpp-and-cpp-classic-2023.2.1
           echo "source /opt/intel/oneapi/setvars.sh" >> ~/.bash_profile
 
       # Install dependencies using Spack