chore: update WebKit version to 26.0 (#36619)

Author: dgozman

README.md

@@ -1,6 +1,6 @@
 # 🎭 Playwright
 
-[![npm version](https://img.shields.io/npm/v/playwright.svg)](https://www.npmjs.com/package/playwright) <!-- GEN:chromium-version-badge -->[![Chromium version](https://img.shields.io/badge/chromium-139.0.7258.5-blue.svg?logo=google-chrome)](https://www.chromium.org/Home)<!-- GEN:stop --> <!-- GEN:firefox-version-badge -->[![Firefox version](https://img.shields.io/badge/firefox-140.0.2-blue.svg?logo=firefoxbrowser)](https://www.mozilla.org/en-US/firefox/new/)<!-- GEN:stop --> <!-- GEN:webkit-version-badge -->[![WebKit version](https://img.shields.io/badge/webkit-18.5-blue.svg?logo=safari)](https://webkit.org/)<!-- GEN:stop --> [![Join Discord](https://img.shields.io/badge/join-discord-informational)](https://aka.ms/playwright/discord)
+[![npm version](https://img.shields.io/npm/v/playwright.svg)](https://www.npmjs.com/package/playwright) <!-- GEN:chromium-version-badge -->[![Chromium version](https://img.shields.io/badge/chromium-139.0.7258.5-blue.svg?logo=google-chrome)](https://www.chromium.org/Home)<!-- GEN:stop --> <!-- GEN:firefox-version-badge -->[![Firefox version](https://img.shields.io/badge/firefox-140.0.2-blue.svg?logo=firefoxbrowser)](https://www.mozilla.org/en-US/firefox/new/)<!-- GEN:stop --> <!-- GEN:webkit-version-badge -->[![WebKit version](https://img.shields.io/badge/webkit-26.0-blue.svg?logo=safari)](https://webkit.org/)<!-- GEN:stop --> [![Join Discord](https://img.shields.io/badge/join-discord-informational)](https://aka.ms/playwright/discord)
 
 ## [Documentation](https://playwright.dev) | [API reference](https://playwright.dev/docs/api/class-playwright)
 
@@ -9,7 +9,7 @@ Playwright is a framework for Web Testing and Automation. It allows testing [Chr
 |          | Linux | macOS | Windows |
 |   :---   | :---: | :---: | :---:   |
 | Chromium <!-- GEN:chromium-version -->139.0.7258.5<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| WebKit <!-- GEN:webkit-version -->18.5<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| WebKit <!-- GEN:webkit-version -->26.0<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 | Firefox <!-- GEN:firefox-version -->140.0.2<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 
 Headless execution is supported for all browsers on all platforms. Check out [system requirements](https://playwright.dev/docs/intro#system-requirements) for details.

packages/playwright-core/browsers.json

@@ -55,7 +55,7 @@
         "ubuntu20.04-x64": "2092",
         "ubuntu20.04-arm64": "2092"
       },
-      "browserVersion": "18.5"
+      "browserVersion": "26.0"
     },
     {
       "name": "ffmpeg",