fix: Update to the new form syntax

Author: rogerpinho

lib/brasil_em_dados_web/live/admin/posts_live/new.html.heex

@@ -1,9 +1,9 @@
 <div class="container mx-auto px-6">
   <h2 class="my-6 text-2xl font-semibold text-gray-700 dark:text-gray-200">Novo Post</h2>
-   <%= f = form_for @changeset, "#",
-      id: "post-form",
-      phx_change: "validate",
-      phx_submit: "save" %>
+   <.form let={f} for={@changeset},
+      id="post-form",
+      phx_change="validate",
+      phx_submit="save" >
 
       <%= label f, :title, "Titulo", class: "mb-4 text-lg font-semibold text-gray-600 dark:text-gray-300" %>
       <%= text_input f, :title, class: "block w-full mt-1 mb-4 text-lg dark:border-gray-600 dark:bg-gray-700 focus:border-purple-400 focus:outline-none focus:shadow-outline-purple dark:text-gray-300 dark:focus:shadow-outline-gray form-input border-b border-gray-300" %>
@@ -20,4 +20,5 @@
       <%= error_tag f, :body %>
 
       <%= submit("Salvar", phx_disable_with: "Salvando...", class: "font-bold mt-10 index-1 sm:ml-4 px-8 py-3 sm:py-2 rounded bg-purple-700 text-gray-100 hover:bg-purple-900 transition duration-300 text-center") %>
+    </.form>
 </div>

lib/brasil_em_dados_web/live/admin/tags_live/new.html.heex

@@ -1,9 +1,9 @@
 <div class="container mx-auto px-6">
   <h2 class="my-6 text-2xl font-semibold text-gray-700 dark:text-gray-200">Nova Tag</h2>
-   <%= f = form_for @changeset, "#",
-      id: "tag-form",
-      phx_change: "validate",
-      phx_submit: "save" %>
+   <.form let={f} for={@changeset},
+      id="tag-form",
+      phx_change="validate",
+      phx_submit="save">
 
       <%= label f, :name, "Nome", class: "mb-4 text-lg font-semibold text-gray-600 dark:text-gray-300" %>
       <%= text_input f, :name, class: "block w-full mt-1 mb-4 text-lg dark:border-gray-600 dark:bg-gray-700 focus:border-purple-400 focus:outline-none focus:shadow-outline-purple dark:text-gray-300 dark:focus:shadow-outline-gray form-input border-b border-gray-300" %>
@@ -14,4 +14,5 @@
       <%= error_tag f, :color %>
 
       <%= submit("Salvar", phx_disable_with: "Salvando...", class: "font-bold mt-10 index-1 sm:ml-4 px-8 py-3 sm:py-2 rounded bg-purple-700 text-gray-100 hover:bg-purple-900 transition duration-300 text-center") %>
+    </.form>
 </div>