docs(electron): minimal version (#11792)

docs/src/api/class-electron.md

@@ -45,6 +45,11 @@ Note that since you don't need Playwright to install web browsers when testing E
 PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1 npm i -D playwright
 ```
 
+**Supported Electron versions are:**
+* v12.2.0+
+* v13.4.0+
+* v14+
+
 ## async method: Electron.launch
 - returns: <[ElectronApplication]>
 

packages/playwright-core/types/types.d.ts

@@ -13397,6 +13397,10 @@ export interface Download {
  * PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1 npm i -D playwright
  * ```
  *
+ * **Supported Electron versions are:**
+ * - v12.2.0+
+ * - v13.4.0+
+ * - v14+
  */
 export interface Electron {
   /**