ci: update windows server runner image to windows-2025

Author: Totto16

.github/workflows/build.yml

@@ -17,31 +17,31 @@ jobs:
         config:
           - name: Windows MSVC (dynamic)
             os: windows
-            os-version: 2022
+            os-version: 2025
             environment: msvc
             shell: pwsh
             static: false
             fatal_warnings: false # TODO: enable fatal warnings, once cpp-httplib is patched either by ourselves or by the maintainers
 
           - name: Windows MSVC (static)
             os: windows
-            os-version: 2022
+            os-version: 2025
             environment: msvc
             shell: pwsh
             static: true
             fatal_warnings: false # TODO: enable fatal warnings, once cpp-httplib is patched either by ourselves or by the maintainers
 
           - name: Windows MingGW
             os: windows
-            os-version: 2022
+            os-version: 2025
             environment: mingw
             architecture: x86_64
             shell: 'msys2 {0}'
             fatal_warnings: true
 
           - name: Windows UCRT
             os: windows
-            os-version: 2022
+            os-version: 2025
             environment: ucrt
             architecture: ucrt-x86_64
             shell: 'msys2 {0}'

.github/workflows/windows_installer.yml

@@ -9,8 +9,7 @@ on:
 jobs:
   installer:
     name: Windows MSVC Installer
-    runs-on: windows-2022
-
+    runs-on: windows-2025
     defaults:
       run:
         shell: pwsh