chore: remove the 1.8.0a1 mentions (#5297)

docs/src/ci.md

@@ -21,7 +21,7 @@ configurations for common CI providers.
    $ npm install
    ```
    ```sh python
-   $ pip install playwright==1.8.0a1
+   $ pip install playwright
    $ playwright install
    ```
 
@@ -56,7 +56,7 @@ steps:
   - name: Install dependencies
     run: |
       python -m pip install --upgrade pip
-      pip install playwright==1.8.0a1
+      pip install playwright
       pip install -e .
   - name: Ensure browsers are installed
     run: python -m playwright install

docs/src/languages.md

@@ -23,7 +23,7 @@ npm i -D playwright
 [Playwright for Python](https://playwright.dev/python/docs/intro/) is available.
 
 ```
-pip install playwright==1.8.0a1
+pip install playwright
 ```
 * [Documentation](https://playwright.dev/python/docs/intro/)
 * [API](https://playwright.dev/python/docs/api/class-playwright)