ci: Test CMake minimum

.github/workflows/continuous_integration.yml

@@ -73,6 +73,9 @@ jobs:
           - uses: actions/setup-python@v4
             with:
                 python-version: '3.7'
+          - uses: lukka/get-cmake@latest
+            with:
+              cmakeVersion: 3.17.2
           - name: Setup ccache
             uses: hendrikmuhs/[email protected]
             with: