workaround a pycurl wheel issue to fix ci

pycurl/pycurl#834

.github/workflows/tests.yaml

@@ -40,11 +40,11 @@ jobs:
         restore-keys: |
           ${{ runner.os }}-${{ env.cache-name }}-${{ matrix.deps }}-
           ${{ runner.os }}-${{ env.cache-name }}-
-    - name: Install pycurl deps
+    - name: workaround pycurl wheel
       if: ${{ contains(matrix.deps, 'pycurl') }}
       run: |
-        sudo apt update
-        sudo apt install -y libcurl4-openssl-dev
+        sudo mkdir -p /etc/pki/tls/certs
+        sudo ln -s /etc/ssl/certs/ca-certificates.crt /etc/pki/tls/certs/ca-bundle.crt
     # werkzeug is pinned for httpbin compatibility https://github.com/postmanlabs/httpbin/issues/673
     - name: Install Python deps
       run: pip install -U ${{ matrix.deps }} pytest 'pytest-asyncio>=0.23' pytest-httpbin flaky structlog tomli platformdirs lxml 'werkzeug<2.1' awesomeversion