Update redis requirement from ==7.1.* to ==7.2.*

Updates the requirements on [redis](https://github.com/redis/redis-py) to permit the latest version.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](https://github.com/redis/redis-py/compare/v7.1.0...v7.2.0)

---
updated-dependencies:
- dependency-name: redis
  dependency-version: 7.2.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -89,7 +89,7 @@ dependencies = [
   "pytz-deprecation-shim==0.1.*",
   "pyuca",
   "qrcode==8.2",
-  "redis==7.1.*",
+  "redis==7.2.*",
   "reportlab==4.4.*",
   "requests==2.32.*",
   "sentry-sdk==2.52.*",

src/pretix/base/templates/404.html

@@ -8,6 +8,9 @@
         <h1>{% trans "Not found" %}</h1>
         <p>{% trans "I'm afraid we could not find the the resource you requested." %}</p>
         <p>{{ exception }}</p>
+        <p class="links">
+            <a id='goback' href='#'>{% trans "Take a step back" %}</a>
+        </p>
         {% if request.user.is_staff and not staff_session %}
             <form action="{% url 'control:user.sudo' %}?next={{ request.path|add:"?"|add:request.GET.urlencode|urlencode }}" method="post">
                 <p>

src/pretix/presale/templates/pretixpresale/event/resend_link.html

@@ -1,14 +1,14 @@
 {% extends "pretixpresale/event/base.html" %}
 {% load i18n %}
 {% load bootstrap3 %}
-{% block title %}{% trans "Resend order link" %}{% endblock %}
+{% block title %}{% trans "Resend order links" %}{% endblock %}
 {% block custom_header %}
     {{ block.super }}
     <meta name="robots" content="noindex, nofollow">
 {% endblock %}
 {% block content %}
     <h2>
-        {% trans "Resend order link" %}
+        {% trans "Resend order links" %}
     </h2>
     <p>
         {% blocktrans trimmed %}