Bump Windows runner version for build workflow

Previously, the  runner was used for the Windows job used to build and test the application in the build GitHub Actions workflow. That runner has now been removed by GitHub. In its place, we will use the runner with the oldest version of Windows that is now available as a GitHub-hosted runner: .

The reason for using the oldest available Windows version is to provide compatibility with the widest possible range of Windows versions for the users of the Arduino Language Server.

Author: MatteoPologruto

Diff for: .github/workflows/build.yml

@@ -26,7 +26,7 @@ jobs:
           - os: macos-latest
             ExecutableSuffix: ''
             Exports: 'CGO_ENABLED=1 MACOSX_DEPLOYMENT_TARGET=10.14 '
-          - os: windows-2016
+          - os: windows-2019
             ExecutableSuffix: '.exe'
             Exports: ''
     runs-on: ${{ matrix.config.os }}