fix: add webkit2_41 build tag for Ubuntu 24.04

Wails v2 defaults to webkit2gtk-4.0 at compile time; the 4.1 library
requires the webkit2_41 build tag.

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

Author: eefahd

.github/workflows/build.yml

@@ -73,7 +73,7 @@ jobs:
         run: npm install
 
       - name: Build
-        run: wails build -platform linux/amd64
+        run: wails build -platform linux/amd64 -tags webkit2_41
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4