feat: secure and cross-domain subdomain-based proxying (#4136)

Co-authored-by: Kyle Carberry <kyle@carberry.com>

coderd/httpmw/workspacebuildparam_test.go

@@ -107,7 +107,10 @@ func TestWorkspaceBuildParam(t *testing.T) {
 		db := databasefake.New()
 		rtr := chi.NewRouter()
 		rtr.Use(
-			httpmw.ExtractAPIKey(db, nil, false),
+			httpmw.ExtractAPIKey(httpmw.ExtractAPIKeyConfig{
+				DB:              db,
+				RedirectToLogin: false,
+			}),
 			httpmw.ExtractWorkspaceBuildParam(db),
 			httpmw.ExtractWorkspaceParam(db),
 		)