ci: switch GHA to Ubuntu 22.04 + build on different compiler versions

Author: striezel

.github/workflows/ci.yml

@@ -3,8 +3,12 @@ name: GitHub CI
 on: push
 
 jobs:
-  build_gcc10:
-    runs-on: ubuntu-20.04
+  gcc:
+    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        version: [9, 10, 11]
     steps:
       # Checks-out the repository under $GITHUB_WORKSPACE.
       - uses: actions/checkout@v3
@@ -13,11 +17,11 @@ jobs:
       - name: Install Debian packages
         run: |
           sudo apt-get update
-          sudo apt-get install -y cmake g++-10 pkg-config
-      - name: Build with GNU GCC 10
+          sudo apt-get install -y cmake g++-${{ matrix.version }} pkg-config
+      - name: Build with GNU GCC ${{ matrix.version }}
         run: |
-          export CXX=g++-10
-          export CC=gcc-10
+          export CXX=g++-${{ matrix.version }}
+          export CC=gcc-${{ matrix.version }}
           cd $GITHUB_WORKSPACE
           mkdir build
           cd build
@@ -28,8 +32,12 @@ jobs:
           cd "$GITHUB_WORKSPACE/build"
           ctest -V
 
-  build_clang10:
-    runs-on: ubuntu-20.04
+  clang:
+    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        version: [12, 13, 14]
     steps:
       # Checks-out the repository under $GITHUB_WORKSPACE.
       - uses: actions/checkout@v3
@@ -38,11 +46,11 @@ jobs:
       - name: Install Debian packages
         run: |
           sudo apt-get update
-          sudo apt-get install -y cmake clang-10 pkg-config
-      - name: Build with Clang 10
+          sudo apt-get install -y cmake clang-${{ matrix.version }} pkg-config
+      - name: Build with Clang ${{ matrix.version }}
         run: |
-          export CXX=clang++-10
-          export CC=clang-10
+          export CXX=clang++-${{ matrix.version }}
+          export CC=clang-${{ matrix.version }}
           cd $GITHUB_WORKSPACE
           mkdir build
           cd build