Bump Windows Server

Author: beutlich

.github/workflows/build-fmusim-gui.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   build-fmusim-gui:
-    runs-on: windows-2019
+    runs-on: windows-2025
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5

.github/workflows/build.yml

@@ -20,10 +20,10 @@ jobs:
       matrix:
         include:
           - name: x86-windows
-            image: windows-2022
+            image: windows-2025
             arch: x86
           - name: x86_64-windows
-            image: windows-2022
+            image: windows-2025
             arch: x86_64
           - name: x86_64-linux
             image: ubuntu-22.04