Automated test of notebook 2 fails - ssl related error

[tngTUDOR]

FAILED 2 - Building and using matrices in bw2calc.ipynb:: - SSLError: HTTPSConnectionPool(host='www.rte-france.com', port=443): Max retries exceeded with url: /themes/swi/xml/power-co2-emission-fr.xml?_=1662971582 (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1129)')))

[tngTUDOR]

This is almost a "regression" from #3 . I will add the comment and fix, but @cmutel , maybe we can use another API endpoint.
I see that there is a great open data portal on energy from 🇫🇷, where RTE is a major contributor, but I'm unsure about which "catalogue" to use.

A first filtering of the said data portal that I think could be interesting 👉 electricity, production, national level