Windows 2019 deprecation (#56451)

Author: lkfortuna

data/reusables/actions/supported-github-runners.md

@@ -35,8 +35,7 @@ For public repositories, jobs using the workflow labels shown in the table below
       <td>
         <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2022-Readme.md">windows-latest</a></code>,
          <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2025-Readme.md">windows-2025</a></code>,
-        <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2022-Readme.md">windows-2022</a></code>,
-        <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2019-Readme.md">windows-2019</a></code>
+        <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2022-Readme.md">windows-2022</a></code>
       </td>
     </tr>
     <tr>
@@ -125,8 +124,7 @@ For {% ifversion ghec %}internal and{% endif %} private repositories, jobs using
       <td>
         <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2022-Readme.md">windows-latest</a></code>,
         <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2025-Readme.md">windows-2025</a></code>,
-        <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2022-Readme.md">windows-2022</a></code>,
-        <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2019-Readme.md">windows-2019</a></code>
+        <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2022-Readme.md">windows-2022</a></code>
       </td>
     </tr>
     <tr>