Use an svg for django footer logo

Author: ChrisLovering

pydis_site/static/css/base/base.css

@@ -88,8 +88,8 @@ main.site-content {
 
 #django-logo {
     padding-bottom: 2px;
-    background: url(https://static.djangoproject.com/img/logos/django-logo-negative.png) no-repeat center;
-    filter: grayscale(1) invert(0.02);
+    background: url(https://static.djangoproject.com/img/logos/django-logo-negative.svg) no-repeat center;
+    filter: grayscale(1) invert(0.09);
     background-size: 52px 25.5px;
     background-position: -1px -2px;
     color: #00000000;