New upstream version of sphinxext-opengraph 0.7.0

[Chiara Marmo <marmochiaskl@gmail.com>]

Dear list,

I have committed to salsa the new version of sphinxext-opengraph [1].

If someone could have a look, that would be great.

Thanks!

Best,

Chiara

[1] https://salsa.debian.org/python-team/packages/sphinxext-opengraph