lint: reformat templates with djlint (#18266)

Author: miketheman

docs/blog/overrides/main.html

@@ -1,17 +1,14 @@
 {% extends "base.html" %}
-
 {% block extrahead %}
-{# JSON Feed #}
-{% if "rss" in config.plugins %}
-<link
-  rel="alternate"
-  type="application/feed+json"
-  title="JSON feed" href="{{ 'feed_json_created.json' | url }}"
-  />
-<link
-  rel="alternate"
-  type="application/feed+json"
-  title="JSON feed of updated content"
-  href="{{ 'feed_json_updated.json' | url }}" />
-{% endif %}
+  {# JSON Feed #}
+  {% if "rss" in config.plugins %}
+    <link rel="alternate"
+          type="application/feed+json"
+          title="JSON feed"
+          href="{{ 'feed_json_created.json' | url }}" />
+    <link rel="alternate"
+          type="application/feed+json"
+          title="JSON feed of updated content"
+          href="{{ 'feed_json_updated.json' | url }}" />
+  {% endif %}
 {% endblock %}

warehouse/admin/templates/admin/banners/edit.html

@@ -89,7 +89,7 @@ <h3 class="card-title">Create banner</h3>
 
 {% if banner %}
 <div class="modal fade" id="deleteBanner" tabindex="-1" role="dialog">
-  <form method="POST" action="{{ request.route_path('admin.banner.delete', banner_id=banner.id) }}">
+  <form method="post" action="{{ request.route_path('admin.banner.delete', banner_id=banner.id) }}">
     <input name="csrf_token" type="hidden" value="{{ request.session.get_csrf_token() }}">
     <div class="modal-dialog" role="document">
       <div class="modal-content">

warehouse/admin/templates/admin/emails/list.html

@@ -26,7 +26,7 @@
 
 {% block content %}
 {% if request.has_permission(Permissions.AdminEmailsWrite) %}
-<form method="POST" action={{ request.route_path('admin.emails.mass') }} enctype="multipart/form-data">
+<form method="post" action={{ request.route_path('admin.emails.mass') }} enctype="multipart/form-data">
   <input name="csrf_token" type="hidden" value="{{ request.session.get_csrf_token() }}">
   <div class="card card-primary card-outline">
     <div class="card-header">

warehouse/admin/templates/admin/flags/index.html

@@ -31,7 +31,7 @@ <h3 class="card-title">Edit Flags</h3>
       <tbody>
       {% for flag in flags %}
       <tr>
-        <form method="POST" action="{{ request.route_path('admin.flags.edit') }}">
+        <form method="post" action="{{ request.route_path('admin.flags.edit') }}">
           <input name="csrf_token" type="hidden" value="{{ csrf_token }}">
           <input name="id" type="hidden" value="{{ flag.id }}">
           <td><code>{{ flag.id }}</code></td>