fix(util-waiter): fix waiter validation (#1491)

* correct the validator

* adding the changeset file

* simplify waiter validation test and update changeset type to patch

* fix formatting

Author: smilkuri

.changeset/eleven-poems-bake.md

@@ -0,0 +1,5 @@
+---
+"@smithy/util-waiter": patch
+---
+
+fix range validation in waiters

packages/util-waiter/src/utils/validate.spec.ts

@@ -50,6 +50,13 @@ describe(validateWaiterOptions.name, () => {
     }
   });
 
+  it("should not throw an error with small decimal numbers", () => {
+    waiterOptions.maxWaitTime = 0.5;
+    waiterOptions.minDelay = 0.0001;
+    waiterOptions.maxDelay = 0.4;
+    validateWaiterOptions(waiterOptions);
+  });
+
   it("should throw when maxWaitTime is less than 0", () => {
     waiterOptions.maxWaitTime = -2;
     waiterOptions.minDelay = -1;

packages/util-waiter/src/utils/validate.ts

@@ -7,11 +7,11 @@ import { WaiterOptions } from "../waiter";
  * @param options - a waiter configuration object
  */
 export const validateWaiterOptions = <Client>(options: WaiterOptions<Client>): void => {
-  if (options.maxWaitTime < 1) {
+  if (options.maxWaitTime <= 0) {
     throw new Error(`WaiterConfiguration.maxWaitTime must be greater than 0`);
-  } else if (options.minDelay < 1) {
+  } else if (options.minDelay <= 0) {
     throw new Error(`WaiterConfiguration.minDelay must be greater than 0`);
-  } else if (options.maxDelay < 1) {
+  } else if (options.maxDelay <= 0) {
     throw new Error(`WaiterConfiguration.maxDelay must be greater than 0`);
   } else if (options.maxWaitTime <= options.minDelay) {
     throw new Error(