Fix CI: Update Windows runner from windows-2019 to windows-2022

Windows Server 2019 has been retired and removed as of 2025-06-30.
This change updates all Windows CI jobs to use windows-2022 runners
to fix the failing CI builds.

Author: cyprian

.github/workflows/ci.yml

@@ -161,27 +161,27 @@ jobs:
           python-version: '3.13'
           numpy-version: '2.1.*'
 
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.9'
           numpy-version: '2.0.*'
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.10'
           numpy-version: '2.0.*'
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.11'
           numpy-version: '2.0.*'
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.12'
           numpy-version: '2.0.*'
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.13'
@@ -391,32 +391,32 @@ jobs:
           python-version: '3.13'
           numpy-version: '2.1.*'
 
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.9'
           numpy-version: '2.0.*'
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.10'
           numpy-version: '2.0.*'
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.11'
           numpy-version: '2.0.*'
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.12'
           numpy-version: '2.0.*'
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.12'
           numpy-version: '1.26.4'
-        - os-image: windows-2019
+        - os-image: windows-2022
           os-name: windows
           python-arch: 'x86_64'
           python-version: '3.13'