Flush icons cache in templates

david/templates/archives_2020.html

 <nav>
   <p class="center">
     <a href="/david/" title="Aller à l’accueil"><svg class="icon icon-home">
-        <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-home"></use>
+        <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-home"></use>
       </svg> Accueil</a>
   </p>
 </nav>

david/templates/article_2020.html

   <p class="center">
     {% if prev and not prev.is_draft %}<a rel="prev" href="{{ prev.url }}" title="Publication précédente : {{ prev.title }}">← Précédent</a> •{% endif %}
     <a href="/david/" title="Aller à l’accueil"><svg class="icon icon-home">
-        <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-home"></use>
+        <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-home"></use>
       </svg> Accueil</a>
     {% if next and not next.is_draft %} • <a rel="next" href="{{ next.url }}" title="Publication suivante : {{ next.title }}">Suivant →</a>{% endif %}
   </p>
       <a href="/david/#tags"
         title="Liste de toutes les étiquettes existantes"
         ><svg class="icon icon-tags">
-          <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-tags"></use>
+          <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-tags"></use>
         </svg> tous ?</a>
     </p>
   </nav>

david/templates/base_2020.html

 <footer>
   <p>
     <a href="/david/" title="Aller à l’accueil"><svg class="icon icon-home">
-        <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-home"></use>
+        <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-home"></use>
       </svg> Accueil</a> •
     <a href="/david/log/" title="Accès au flux RSS"><svg class="icon icon-rss2">
-        <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-rss2"></use>
+        <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-rss2"></use>
       </svg> Suivre</a> •
     <a href="http://larlet.com" title="Go to my English profile" data-instant><svg class="icon icon-user-tie">
-        <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-user-tie"></use>
+        <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-user-tie"></use>
       </svg> Pro</a> •
     <a href="mailto:david%40larlet.fr" title="Envoyer un courriel"><svg class="icon icon-mail">
-        <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-mail"></use>
+        <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-mail"></use>
       </svg> Email</a> •
     <abbr class="nowrap" title="Hébergeur : Alwaysdata, 62 rue Tiquetonne 75002 Paris, +33184162340"><svg class="icon icon-hammer2">
-        <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-hammer2"></use>
+        <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-hammer2"></use>
       </svg> Légal</abbr>
   </p>
   <template id="theme-selector">
       <form>
           <fieldset>
               <legend><svg class="icon icon-brightness-contrast">
-                <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-brightness-contrast"></use>
+                <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-brightness-contrast"></use>
               </svg> Thème</legend>
               <label>
                   <input type="radio" value="auto" name="chosen-color-scheme" checked> Auto

david/templates/profil.html

   {% endfor %}
   <h3 id="tags">
     Par tags <svg class="icon icon-tags">
-      <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-tags"></use>
+      <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-tags"></use>
     </svg>
   </h3>
   <p>

david/templates/tag_2021.html

 <nav>
   <p class="center">
     <a href="/david/" title="Aller à l’accueil"><svg class="icon icon-home">
-        <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-home"></use>
+        <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-home"></use>
       </svg> Accueil</a>
      • <a rel="tags" href="/david/#tags" title="Liste de toutes les étiquettes"><svg class="icon icon-tags">
-        <use xlink:href="/static/david/icons2/symbol-defs.svg#icon-tags"></use>
+        <use xlink:href="/static/david/icons2/symbol-defs-2021-12.svg#icon-tags"></use>
       </svg> Étiquettes</a>
   </p>
 </nav>