Switch CI workflows from windows-latest to ubuntu-latest

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: AngeloTadeucci

.github/workflows/build.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   build:
-    runs-on: windows-latest
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v3

.github/workflows/format.yml

@@ -9,7 +9,7 @@ permissions:
 
 jobs:
   format:
-    runs-on: windows-latest
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4