You can see a project to make it available here

https://github.com/carmonamateo/Jouanolou

You can request a copy there.

The thesis is now published and you can find it in HAL/TEL

https://theses.hal.science/tel-04236971v1

Jean-Pierre Jouanolou. Catégories Dérivées en Cohomologie ℓ-adique. Mathématiques [math]. Faculté des sciences de Paris, 1969. Français.