Change the favicon.

src/pbpl/views/home.py

@@ -76,9 +76,9 @@ def manifest() -> t.Any:
             "description": "This is an example description",
             "icons": [
                 {
-                    "src": "/favicon.ico",
+                    "src": "/favicon.png",
                     "sizes": "256x256",
-                    "type": "image/vnd.microsoft.icon",
+                    "type": "image/png",
                 }
             ],
             "start_url": ".",
@@ -89,9 +89,9 @@ def manifest() -> t.Any:
     )
 
 
-@home.get("/favicon.ico")
+@home.get("/favicon.png")
 @home.csp("img-src $self")
 @home.cache("30d")
 def favicon() -> Response:
     """Website icon"""
-    return flask.send_from_directory("static", "favicon.ico")
+    return flask.send_from_directory("static", "favicon.png")

src/templates/base.j2

@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>{% block title %}Untitled{% endblock %} - {{ request.host | escape }}</title>
 
-    <link rel="icon" href="{{ url_for("home.favicon") }}" sizes="128x128" type="image/vnd.microsoft.icon" />
+    <link rel="icon" href="{{ url_for("home.favicon") }}" sizes="128x128" type="image/png" />
 
     <meta name="description" content="{% block description %}Description of an untitled page.{% endblock %}" />
     <meta