updated github actions file to use npm instead of yarn

Author: abjt14

.github/workflows/main.yml

@@ -26,7 +26,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y libgtk-3-dev libwebkit2gtk-4.0-dev libappindicator3-dev librsvg2-dev patchelf
       - name: install app dependencies and build it
-        run: yarn && yarn build
+        run: npm install && npm run build
       - uses: tauri-apps/tauri-action@v0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}