Update Github CI runners, fix Ubuntu 18.04 compilation

Author: tstenner

.github/workflows/android.yml

@@ -29,7 +29,7 @@ jobs:
         - {arch: "arm64-v8a"}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Configure CMake
       run: |

.github/workflows/cppcmake.yml

@@ -34,27 +34,29 @@ jobs:
         config:
         - {name: "ubuntu-20.04", os: "ubuntu-20.04",   cmake_extra: "-DLSL_BUNDLED_PUGIXML=OFF"}
         - {name: "ubuntu-18.04", os: "ubuntu-latest",  docker: "ubuntu:18.04" }
-        - {name: "ubuntu-22.04", os: "ubuntu-latest",  docker: "ubuntu:22.04" }
+        - {name: "ubuntu-22.04", os: "ubuntu-22.04", cmake_extra: "-DLSL_BUNDLED_PUGIXML=OFF" }
         - {name: "windows-x64",  os: "windows-2019", cmake_extra: "-T v140,host=x86"}
         - {name: "windows-32",   os: "windows-2019", cmake_extra: "-T v140,host=x86 -A Win32"}
         - {name: "macOS-latest", os: "macOS-latest"}
 
     # runs all steps in the container configured in config.docker or as subprocesses when empty
     container: ${{ matrix.config.docker }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: set up build environment in container
       run: |
+         set -x
          apt update
-         apt install -y --no-install-recommends g++ git python3-pip ninja-build file dpkg-dev lsb-release sudo curl
-         if [[ "$(apt search cmake | grep ^cmake/ | cut -d" " -f 2 | sort -V | tail -1 | cut -d. -f-2)" == 3.10 ]]
-         then python3 -m pip install cmake
+         apt install -y --no-install-recommends g++ git ninja-build file dpkg-dev lsb-release sudo curl
+         if [[ "${{ matrix.config.name }}" = "ubuntu-18.04" ]]; then
+          curl -sSkL https://github.com/Kitware/CMake/releases/download/v3.25.1/cmake-3.25.1-linux-x86_64.tar.gz | \
+            tar -xzf - -C /usr --strip-components=1
          else apt install -y --no-install-recommends cmake libpugixml-dev
          fi
       if: ${{ matrix.config.docker }}
     - name: Configure CMake
       run: |
-           if [[ "${{ matrix.config.os }}" == "ubuntu-20.04" ]]; then
+           if [[ "${{ matrix.config.name }}" = ubuntu-2* ]]; then
                 sudo apt-get install -y --no-install-recommends libpugixml-dev
            fi
            cmake --version

.github/workflows/mingw_static.yml

@@ -20,7 +20,7 @@ jobs:
         shell: 'msys2 {0}'
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: msys2/setup-msys2@v2
       with:
         release: false

.github/workflows/sanitize.yml

@@ -11,35 +11,39 @@ on:
         description: 'Sanitizer to run'
         required: true
         default: 'address'
+        # caution: memory sanitizer is currently broken with Catch
         options: ['address', 'thread', 'memory', 'undefined']
         type: choice
 
 defaults:
   run:
     shell: bash
 
+env:
+  LLVM_VERSION: 15
+
 jobs:
   build:
     name: "${{ github.event.inputs.sanitizer }}"
     runs-on: 'ubuntu-latest'
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install build toolchain
         run: |
-          wget https://apt.llvm.org/llvm-snapshot.gpg.key
-          echo "deb [signed-by=$PWD/llvm-snapshot.gpg.key] http://apt.llvm.org/focal/ llvm-toolchain-focal-13 main" | sudo tee /etc/apt/sources.list.d/llvm.list
+          curl -sSL https://apt.llvm.org/llvm-snapshot.gpg.key | sudo gpg --dearmor --yes -o /etc/apt/trusted.gpg.d/llvm.gpg
+          echo "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-$LLVM_VERSION main" | sudo tee /etc/apt/sources.list.d/llvm.list
           sudo apt update
-          sudo apt install -y libpugixml-dev clang-13 gdb
+          sudo apt install -y libpugixml-dev clang-$LLVM_VERSION gdb
       - name: Configure CMake
         run: |
           # linking a C++ library to a C program fails with ubsan enabled; disable lslver for this run
           sed -i -e'/lslver/d' CMakeLists.txt
           cmake --version
           cmake -S . -B build \
                -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-               -DCMAKE_C_COMPILER=clang-13 \
-               -DCMAKE_{CXX_COMPILER,LINKER}=clang++-13 \
+               -DCMAKE_C_COMPILER=clang-$LLVM_VERSION \
+               -DCMAKE_{CXX_COMPILER,LINKER}=clang++-$LLVM_VERSION \
                -DCMAKE_{C,CXX,EXE_LINKER,SHARED_LINKER}_FLAGS="-fsanitize=${{ github.event.inputs.sanitizer }}" \
                -DLSL_COMFY_DEFAULTS=ON \
                -DLSL_UNITTESTS=ON \