fix(tauri.js): fix typings for open and save dialogs (#926)

* fix(tauri.js): fix typings for open and save dialogs

add JSDoc types;

* chore(tauri.js): add changelog

.changes/open-and-save-dialog-resolve-type.md

@@ -0,0 +1,5 @@
+---
+"tauri.js": patch
+---
+
+- Change `String` to `string` type for `open` and `save` methods

cli/tauri.js/api-src/dialog.ts

@@ -12,14 +12,16 @@ export type SaveDialogOptions = Pick<OpenDialogOptions, 'filter' | 'defaultPath'
 /**
  * @name openDialog
  * @description Open a file/directory selection dialog
- * @param [options]
- * @param [options.filter]
- * @param [options.defaultPath]
- * @param [options.multiple=false]
- * @param [options.directory=false]
- * @returns promise resolving to the select path(s)
+ * @param {Object} [options]
+ * @param {string} [options.filter]
+ * @param {string} [options.defaultPath]
+ * @param {boolean} [options.multiple=false]
+ * @param {boolean} [options.directory=false]
+ * @returns {Promise<string | string[]>} Promise resolving to the select path(s)
  */
-async function open(options: OpenDialogOptions = {}): Promise<String | String[]> {
+async function open(
+  options: OpenDialogOptions = {}
+): Promise<string | string[]> {
   if (typeof options === 'object') {
     Object.freeze(options)
   }
@@ -33,12 +35,12 @@ async function open(options: OpenDialogOptions = {}): Promise<String | String[]>
 /**
  * @name save
  * @description Open a file/directory save dialog
- * @param [options]
- * @param [options.filter]
- * @param [options.defaultPath]
- * @returns promise resolving to the select path
+ * @param {Object} [options]
+ * @param {string} [options.filter]
+ * @param {string} [options.defaultPath]
+ * @returns {Promise<string>} Promise resolving to the select path
  */
-async function save(options: SaveDialogOptions = {}): Promise<String> {
+async function save(options: SaveDialogOptions = {}): Promise<string> {
   if (typeof options === 'object') {
     Object.freeze(options)
   }