Add CI job to buils using minimum required CMake version

Signed-off-by: Björn Svensson <[email protected]>

.github/workflows/ci.yml

@@ -180,3 +180,24 @@ jobs:
           mkdir build && cd build
           cmake .. -G Ninja
           cmake --build .
+
+  cmake-minimum-required:
+    name: CMake 3.0.0 (min. required)
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - name: Setup CMake
+        uses: jwlawson/actions-setup-cmake@802fa1a2c4e212495c05bf94dba2704a92a472be # v2.0.2
+        with:
+          cmake-version: 3.0.0
+      - name: Install packages
+        uses: awalsh128/cache-apt-pkgs-action@a6c3917cc929dd0345bfb2d3feaf9101823370ad # v1.4.2
+        with:
+          packages: libevent-dev libuv1-dev libev-dev libglib2.0-dev
+          version: 1.0
+      - name: Build using CMake
+        run: |
+          cmake --version
+          mkdir build && cd build
+          cmake .. -DCMAKE_BUILD_TYPE=Release -DENABLE_SSL=ON -DENABLE_IPV6_TESTS=ON
+          ninja -v