test_auth_backends: Add request parameter to patched_authenticate.
test_auth_backends: Add request parameter to patched_authenticate.

This is required by social-auth-app-django 4.0.0.

Signed-off-by: Anders Kaseorg <dfdb7392591db597bc41cf266a9c3bc12a2706e5@zulip.com>

timabbott/zulip,punchagan/zulip,showell/zulip,hackerkid/zulip,andersk/zulip,rht/zulip,eeshangarg/zulip,andersk/zulip,andersk/zulip,synicalsyntax/zulip,rht/zulip,synicalsyntax/zulip,timabbott/zulip,eeshangarg/zulip,showell/zulip,brainwane/zulip,zulip/zulip,zulip/zulip,brainwane/zulip,synicalsyntax/zulip,showell/zulip,rht/zulip,timabbott/zulip,punchagan/zulip,kou/zulip,punchagan/zulip,kou/zulip,kou/zulip,timabbott/zulip,hackerkid/zulip,kou/zulip,zulip/zulip,showell/zulip,eeshangarg/zulip,synicalsyntax/zulip,andersk/zulip,timabbott/zulip,brainwane/zulip,punchagan/zulip,synicalsyntax/zulip,punchagan/zulip,rht/zulip,hackerkid/zulip,rht/zulip,brainwane/zulip,brainwane/zulip,andersk/zulip,punchagan/zulip,synicalsyntax/zulip,synicalsyntax/zulip,timabbott/zulip,zulip/zulip,brainwane/zulip,andersk/zulip,hackerkid/zulip,eeshangarg/zulip,eeshangarg/zulip,kou/zulip,zulip/zulip,punchagan/zulip,rht/zulip,kou/zulip,timabbott/zulip,zulip/zulip,hackerkid/zulip,eeshangarg/zulip,showell/zulip,andersk/zulip,rht/zulip,eeshangarg/zulip,hackerkid/zulip,showell/zulip,showell/zulip,kou/zulip,zulip/zulip,hackerkid/zulip,brainwane/zulip