[FIX] website_blog: fix misusage of t-attf

This commit fixes wrong usage of t-attf of [1].
It would output in the DOM `rel="len(active_tag_ids) and 'nofollow'"`

[1]: https://github.com/odoo/odoo/commit/0f2cada32319b3910d6ace6d412cfa94a646c9c7



closes odoo/odoo#104165

Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>

addons/website_blog/views/website_blog_components.xml

@@ -44,7 +44,7 @@
                     <t t-esc="tag.name"/>
                     <a t-attf-href="#{blog_url(tag=tags_list(active_tag_ids, tag.id))}" class="btn border-0 py-1 post_link" t-att-rel="len(active_tag_ids) and 'nofollow'">&#215;</a>
                 </span>
-                <a t-elif="showInactive" t-attf-href="#{blog_url(tag=tags_list(active_tag_ids, tag.id))}" t-attf-class="badge mb-2 mw-100 text-truncate #{tag.id in active_tag_ids and 'badge-primary' or 'border'} post_link" t-attf-rel="len(active_tag_ids) and 'nofollow'" t-esc="tag.name"/>
+                <a t-elif="showInactive" t-attf-href="#{blog_url(tag=tags_list(active_tag_ids, tag.id))}" t-attf-class="badge mb-2 mw-100 text-truncate #{tag.id in active_tag_ids and 'badge-primary' or 'border'} post_link" t-att-rel="len(active_tag_ids) and 'nofollow'" t-esc="tag.name"/>
             </t>
         </t>
     </t>