Remove testing against Windows Server 2019

The image has been retired as per 30th of June, 2025.

Author: andyundso

.github/workflows/ci.yml

@@ -22,7 +22,6 @@ jobs:
           - ubuntu-20.04
           - ubuntu-22.04
           - ubuntu-24.04
-          - windows-2019
           - windows-2022
           - windows-2025
         version:

README.md

@@ -11,7 +11,7 @@ On Windows, we install an Express edition of the container. On Linux, a Docker c
 * `components`: Specify the components you want to install. Can be `sqlengine` and `sqlcmd`. The list of components needs be a comma-separated list like `sqlengine,sqlcmd`. [GitHub Actions does not support passing YAML lists to composite actions](https://github.com/actions/runner/issues/2238).
 * `force-encryption`: When you request to install `sqlengine`, you can set this input to `true` in order to encrypt all connections to the SQL server. The action will generate a self-signed certificate for that. Default is `false`.
 * `sa-password`: The sa password for the SQL instances. Default is `bHuZH81%cGC6`.
-* `version`: Version of the SQL server you want to install (2020 or 2022).
+* `version`: Version of the SQL server you want to install (2019 or 2022).
 
 ### Example