feat: add a paginated organization members endpoint (#16835)

Closes
[coder/internal#460](https://github.com/coder/internal/issues/460)

coderd/database/dbauthz/setup_test.go

@@ -503,7 +503,7 @@ func asserts(inputs ...any) []AssertRBAC {
 				// Could be the string type.
 				actionAsString, ok := inputs[i+1].(string)
 				if !ok {
-					panic(fmt.Sprintf("action '%q' not a supported action", actionAsString))
+					panic(fmt.Sprintf("action '%T' not a supported action", inputs[i+1]))
 				}
 				action = policy.Action(actionAsString)
 			}