Provide a title to the profile edit screen

This should solve the issues of #56, as that seems to be caused by a lack of "title" field in template parameters in https://github.com/postgres/pgcommitfest/blob/main/pgcommitfest/commitfest/templates/base.html#L17-L25

Author: MMeent

pgcommitfest/userprofile/views.py

@@ -27,5 +27,6 @@ def userprofile(request):
         "userprofileform.html",
         {
             "form": form,
+            "title": "Profile",
         },
     )