fix(core): updatedProperties function name is misspelled (#21071)

This PR only fix typo in the name of protected function.

`Properites` -> `Properties`

----

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packages/@aws-cdk/core/lib/cfn-resource.ts

@@ -431,6 +431,9 @@ export class CfnResource extends CfnRefElement {
   }
 
   /**
+   * Deprecated
+   * @deprecated use `updatedProperties`
+   *
    * Return properties modified after initiation
    *
    * Resources that expose mutable properties should override this function to
@@ -440,6 +443,16 @@ export class CfnResource extends CfnRefElement {
     return this._cfnProperties;
   }
 
+  /**
+   * Return properties modified after initiation
+   *
+   * Resources that expose mutable properties should override this function to
+   * collect and return the properties object for this resource.
+   */
+  protected get updatedProperties(): { [key: string]: any } {
+    return this._cfnProperties;
+  }
+
   protected validateProperties(_properties: any) {
     // Nothing
   }

packages/@aws-cdk/core/test/resource.test.ts

@@ -948,15 +948,15 @@ class CustomizableResource extends CfnResource {
   }
 
   public renderProperties(): { [key: string]: any } {
-    const props = this.updatedProperites;
+    const props = this.updatedProperties;
     const render: { [key: string]: any } = {};
     for (const key of Object.keys(props)) {
       render[key.toUpperCase()] = props[key];
     }
     return render;
   }
 
-  protected get updatedProperites(): { [key: string]: any } {
+  protected get updatedProperties(): { [key: string]: any } {
     const props: { [key: string]: any } = {
       prop1: this.prop1,
       prop2: this.prop2,