Docs - fix upgrade command on prod env

docs/fr/_sources/installation.rst.txt

@@ -663,7 +663,7 @@ Prod environment
 
 .. code:: bash
 
-   $ make install-dev
+   $ make install-python
 
 - Upgrade database if needed (see changelog for migrations):
 

docs/fr/installation.html

@@ -1036,7 +1036,7 @@ $<span class="w"> </span><span class="nb">cd</span><span class="w"> </span>FitTr
 <li><p>Mettre à jour le fichier <strong>.env</strong> si nécessaire (cf. <a class="reference external" href="installation.html#environment-variables">Variables d’environnement</a>).</p></li>
 <li><p>Mettre à jour les paquets :</p></li>
 </ul>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>make<span class="w"> </span>install-dev
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>make<span class="w"> </span>install-python
 </pre></div>
 </div>
 <ul class="simple">