[build] update github workflow to match triqs unstable req

.github/workflows/build.yml

@@ -13,8 +13,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - {os: ubuntu-20.04, cc: gcc-10, cxx: g++-10}
-          - {os: ubuntu-20.04, cc: clang-13, cxx: clang++-13}
+          - {os: ubuntu-22.04, cc: gcc-12, cxx: g++-12}
+          - {os: ubuntu-22.04, cc: clang-15, cxx: clang++-15}
           - {os: macos-12, cc: gcc-11, cxx: g++-11}
           - {os: macos-12, cc: /usr/local/opt/llvm/bin/clang, cxx: /usr/local/opt/llvm/bin/clang++}
 
@@ -24,22 +24,22 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Install ubuntu dependencies
-      if: matrix.os == 'ubuntu-20.04'
+      if: matrix.os == 'ubuntu-22.04'
       run: >
         sudo apt-get update &&
         sudo apt-get install lsb-release wget software-properties-common &&
         wget -O /tmp/llvm.sh https://apt.llvm.org/llvm.sh && sudo chmod +x /tmp/llvm.sh && sudo /tmp/llvm.sh 13 &&
         sudo apt-get install
-        clang-13
-        g++-10
+        clang-15
+        g++-12
         gfortran
         hdf5-tools
         libblas-dev
         libboost-dev
-        libclang-13-dev
-        libc++-13-dev
-        libc++abi-13-dev
-        libomp-13-dev
+        libclang-15-dev
+        libc++-15-dev
+        libc++abi-15-dev
+        libomp-15-dev
         libfftw3-dev
         libgfortran5
         libgmp-dev
@@ -49,7 +49,7 @@ jobs:
         openmpi-bin
         openmpi-common
         openmpi-doc
-        python3-clang-13
+        python3-clang-15
         python3-dev
         python3-mako
         python3-matplotlib