ci: add GCC 8 test job

Author: X1aomu

.github/workflows/tests.yml

@@ -138,6 +138,85 @@ jobs:
           ctest --list-presets
           ctest --preset ${{ matrix.cmake-preset }}
 
+  test-on-gcc-8:
+    strategy:
+      fail-fast: false
+
+      matrix:
+        cppstd: ['17']
+        build-type: [Debug, Release]
+        include:
+          - build-type: Debug
+            cmake-preset: conan-debug
+          - build-type: Release
+            cmake-preset: conan-release
+
+    name: GCC 8 - C++${{ matrix.cppstd }} - ${{ matrix.build-type }}
+
+    runs-on: ubuntu-22.04
+    container: ubuntu:20.04
+
+    defaults:
+      run:
+        shell: bash
+
+    env:
+      CC: gcc-8
+      CXX: g++-8
+
+    steps:
+      - name: Prepare container
+        run: |
+          apt-get update
+          DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+            ca-certificates \
+            gcc-8 \
+            g++-8 \
+            git \
+            make \
+            python3-pip
+
+      - uses: actions/checkout@v4
+
+      - name: Check GCC Version
+        run: |
+          compiler_version="$("$CC" -dumpfullversion -dumpversion)"
+          echo "$compiler_version"
+          [[ "${compiler_version%%.*}" == 8 ]]
+
+      - name: Install Conan
+        uses: turtlebrowser/get-conan@main
+
+      - name: Setup Conan
+        run: |
+          conan --version
+          conan profile detect
+
+      - name: Install CMake
+        uses: lukka/get-cmake@latest
+
+      - name: Install dependencies
+        run: >
+          conan install .
+          -s compiler.cppstd=${{ matrix.cppstd }}
+          -s build_type=${{ matrix.build-type }}
+          -b missing
+
+      - name: CMake Configure
+        run: |
+          cmake --list-presets
+          cmake --preset ${{ matrix.cmake-preset }}
+
+      - name: Build
+        run: |
+          cmake --build --list-presets
+          cmake --build --preset ${{ matrix.cmake-preset }}
+
+      - name: Test
+        run: |
+          ctest --list-presets
+          ctest --preset ${{ matrix.cmake-preset }}
+
   test-on-old-gcc:
     strategy:
       fail-fast: false