Move gettext installation to separate PS1 file

The linter does not understand windows powershell syntax. So we move
it to the scripts folder.

Author: Daniel Gillet

.github/workflows/test.yml

@@ -45,9 +45,7 @@ jobs:
       - name: Install Windows dependencies
         if: startsWith(matrix.os, 'windows')
         run: |
-          nuget install Gettext.Tools -OutputDirectory c:\nuget;
-          $gettextPath = (Get-ChildItem -Path "C:\nuget" -Directory -Filter "Gettext.Tools.*" | Select-Object -First 1).FullName;
-          Add-Content $env:GITHUB_PATH "$gettextPath\tools\bin"
+          scripts/install-gettext-windows.ps1
 
       - name: Install uv
         uses: hynek/setup-cached-uv@v2

scripts/install-gettext-windows.ps1

@@ -0,0 +1,10 @@
+# This script is used by the Github Action to install gettext on the CI
+
+nuget install Gettext.Tools -OutputDirectory c:\nuget
+
+$gettextPath = (
+    Get-ChildItem -Path "C:\nuget" -Directory -Filter "Gettext.Tools.*" |
+    Select-Object -First 1
+).FullName
+
+Add-Content $env:GITHUB_PATH "$gettextPath\tools\bin"