Switch CI back to windows-latest, and install specifically version 2.4.8 of GnuPG.

Author: vsajip

.github/workflows/python-package.yml

@@ -34,7 +34,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-2022]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13', '3.13t', '3.14', '3.14t', 'pypy-3.9']
 
     steps:
@@ -47,9 +47,9 @@ jobs:
       run: |
         $env:PATH = "C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\ProgramData\chocolatey\bin"
         [Environment]::SetEnvironmentVariable("Path", $env:PATH, "Machine")
-        choco install gnupg
+        choco install gnupg --version "2.4.8"
         echo "C:\Program Files (x86)\GnuPG\bin" >> $env:GITHUB_PATH
-      if: ${{ matrix.os == 'windows-2022' }}
+      if: ${{ matrix.os == 'windows-latest' }}
     - name: Test with unittest
       run: |
         gpg --version