git: openjdk/jdk20u: master: 8306658: GHA: MSVC installation could be optional since it might already be pre-installed

[Christoph Langer]

Changeset: 63da061f
Author:    Christoph Langer <clanger at openjdk.org>
Date:      2023-04-28 15:45:44 +0000
URL:       https://git.openjdk.org/jdk20u/commit/63da061fe9a541812286b6d1e51428addeef2381

8306658: GHA: MSVC installation could be optional since it might already be pre-installed

Backport-of: d980cb48793f2bb662aece545fb00724c12a5613

! .github/workflows/build-windows.yml