fix: force bash shell on Windows CI to fix version string parsing

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

Author: tucktuckg00se

.github/workflows/release.yml

@@ -8,6 +8,9 @@ on:
 jobs:
   build-windows:
     runs-on: windows-latest
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
         with: