docs(api): Updates title of the API reference page

cl/api/templates/rest-docs-vlatest.html

@@ -1,7 +1,7 @@
 {% extends "base.html" %}
 {% load static extras humanize %}
 
-{% block title %}REST API, v4 – CourtListener.com{% endblock %}
+{% block title %}REST API, v4.1 – CourtListener.com{% endblock %}
 {% block description %}REST API for federal and state case law, PACER data, the searchable RECAP Archive, oral argument recordings and more. Provided by Free Law Project, a 501(c)(3) non-profit. Please donate to support this service.{% endblock %}
 {% block og_description %}REST API for federal and state case law, PACER data, the searchable RECAP Archive, oral argument recordings and more. Provided by Free Law Project, a 501(c)(3) non-profit. Please donate to support this service.{% endblock %}